Definition of Valva. Meaning of Valva. Synonyms of Valva

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Definition of Valva

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Gate valva
Gate Gate (g[=a]t), n. [OE. [yogh]et, [yogh]eat, giat, gate, door, AS. geat, gat, gate, door; akin to OS., D., & Icel. gat opening, hole, and perh. to E. gate a way, gait, and get, v. Cf. Gate a way, 3d Get.] 1. A large door or passageway in the wall of a city, of an inclosed field or place, or of a grand edifice, etc.; also, the movable structure of timber, metal, etc., by which the passage can be closed. 2. An opening for passage in any inclosing wall, fence, or barrier; or the suspended framework which closes or opens a passage. Also, figuratively, a means or way of entrance or of exit. Knowest thou the way to Dover? Both stile and gate, horse way and footpath. --Shak. Opening a gate for a long war. --Knolles. 3. A door, valve, or other device, for stopping the passage of water through a dam, lock, pipe, etc. 4. (Script.) The places which command the entrances or access; hence, place of vantage; power; might. The gates of hell shall not prevail against it. --Matt. xvi. 18. 5. In a lock tumbler, the opening for the stump of the bolt to pass through or into. 6. (Founding) (a) The channel or opening through which metal is poured into the mold; the ingate. (b) The waste piece of metal cast in the opening; a sprue or sullage piece. [Written also geat and git.] Gate chamber, a recess in the side wall of a canal lock, which receives the opened gate. Gate channel. See Gate, 5. Gate hook, the hook-formed piece of a gate hinge. Gate money, entrance money for admission to an inclosure. Gate tender, one in charge of a gate, as at a railroad crossing. Gate valva, a stop valve for a pipe, having a sliding gate which affords a straight passageway when open. Gate vein (Anat.), the portal vein. To break gates (Eng. Univ.), to enter a college inclosure after the hour to which a student has been restricted. To stand in the gate, or gates, to occupy places or advantage, power, or defense.
Valval
Valval Valv"al, Valvar Valv"ar, a. (Biol.) Valvular.
Valvar
Valval Valv"al, Valvar Valv"ar, a. (Biol.) Valvular.
valvasor
Vavasor Vav"a*sor, n. [OE. vavasour, OF. vavassor, vavassour, F. vavasseur, LL. vavassor, probably contr. from vassus vassorum vassal of the vassals. See Vassal.] (Feud. Law) The vassal or tenant of a baron; one who held under a baron, and who also had tenants under him; one in dignity next to a baron; a title of dignity next to a baron. --Burrill. ``A worthy vavasour.' --Chaucer. [Also written vavasour, vavassor, valvasor, etc.] Vavasours subdivide again to vassals, exchanging land and cattle, human or otherwise, against fealty. --Motley.
Valvasor
Valvasor Val"va*sor, n. (Feud. Law) See Vavasor.
Valvata
Valvata Val*va"ta, n. [NL.; cf. L. valvatus having folding doors. See Valve.] (Zo["o]l.) A genus of small spiral fresh-water gastropods having an operculum.
Valvate
Valvate Valv"ate, a. [L. valvatus having folding doors.] 1. Resembling, or serving as, a valve; consisting of, or opening by, a valve or valves; valvular. 2. (Bot.) (a) Meeting at the edges without overlapping; -- said of the sepals or the petals of flowers in [ae]stivation, and of leaves in vernation. (b) Opening as if by doors or valves, as most kinds of capsules and some anthers.

Meaning of Valva from wikipedia

- In biology, a clasper is a male anatomical structure found in some groups of animals, used in mating. Male cartilaginous fish have claspers formed from...
- Valva may refer to: In geography: Valva (city), an ancient city in L'Aquila province, Italy Valva (mountain), a mountain in North Africa Valva, Campania...
- Vâlvă (plural vâlve) is a female spirit mentioned in the Romanian folklore. The Vâlve are believed to walk over the hilltops at night, and are subdivided...
- valve visible at bottom right.) Details Identifiers Latin valva atrioventricularis sinistra, valva mitralis, valvula bicuspidalis MeSH D008943 TA98 A12.1...
- indicate normal blood flow. Heart seen from above. Details Identifiers Latin valva trunci pulmonalis MeSH D011664 TA98 A12.1.02.010 TA2 4008 FMA 7246 Anatomical...
- Valva (Gr****: Οὐάλουα, Ptol. iv. 2. § 16) was an ancient mountain located in the province of Mauretania Caesariensis, in present-day Algeria.  This article incorporates...
- The Diocese of Sulmona-Valva (Latin: Dioecesis Sulmonensis-Valvensis) is a Latin diocese of the Catholic Church in central Italy, in the Abruzzi region...
- papillary muscles can be seen. Details Identifiers Latin valvula tricuspidalis, valva atrioventricularis dextra MeSH D014261 TA98 A12.1.02.003 TA2 3982 FMA 7234...
- Sulmona is set in the 3rd century. The city was part of the diocese of Valva, while a Sulmonese bishop is known from the 5th century. One of the earliest...
- Valva is an Italian town and muni****lity in the Province of Salerno in the south-western region of Campania. It borders with the communes of Calabritto...