Definition of Rudder fish. Meaning of Rudder fish. Synonyms of Rudder fish

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Definition of Rudder fish

Rudder fish
Rudder Rud"der, n. [OE. rother, AS. r[=o][eth]er a paddle; akin to D. roer rudder, oar, G. ruder, OHG. roadar, Sw. roder, ror, Dan. roer, ror. [root] 8. See Row to propel with an oar, and cf. Rother. ] 1. (Naut.) The mechanical appliance by means of which a vessel is guided or steered when in motion. It is a broad and flat blade made of wood or iron, with a long shank, and is fastened in an upright position, usually by one edge, to the sternpost of the vessel in such a way that it can be turned from side to side in the water by means of a tiller, wheel, or other attachment. 2. Fig.: That which resembles a rudder as a guide or governor; that which guides or governs the course. For rhyme the rudder is of verses. --Hudibras. Balance rudder (Naut.), a rudder pivoted near the middle instead of at the edge, -- common on sharpies. Drop rudder (Naut.), a rudder extending below the keel so as to be more effective in steering. Rudder chain (Naut.), one of the loose chains or ropes which fasten the rudder to the quarters to prevent its loss in case it gets unshipped, and for operating it in case the tiller or the wheel is broken. Rudder coat (Naut.), a covering of tarred canvas used to prevent water from entering the rudderhole. Rudder fish. (Zo["o]l.) (a) The pilot fish. (b) The amber fish (Seriola zonata), which is bluish having six broad black bands. (c) A plain greenish black American fish (Leirus perciformis); -- called also black rudder fish, logfish, and barrel fish. The name is also applied to other fishes which follow vessels. Rudder pendants (Naut.), ropes connected with the rudder chains.

Meaning of Rudder fish from wikipedia

- Instead, it folds into itself as the creature matures, creating a rounded rudder called a clavus. Mola in Latin means "millstone" and describes the ocean...
- Tetraodontidae is a family of primarily marine and estuarine fish of the order Tetraodontiformes. The family includes many familiar species variously called...
- A Schilling rudder is a specific type of profiled rudder used on certain boats and ships. The rudder is typically described as 'shaped like a fishtail'...
- Fins first evolved on fish as a means of locomotion. Fish fins are used to generate thrust and control the subsequent motion. Fish and other aquatic animals...
- subpo****tion of orcas (Orcinus orca) began ramming boats and attacking their rudders in waters off the Iberian Peninsula. The behaviour has generally been directed...
- International Canoe Federation. Boats may have one rudder which must be under the hull of the boat. The rudder is controlled by the feet of the paddler (the...
- the loss of one of the two rudders. This allowed water to pour into the rudder room by way of the 9-inch diameter rudder trunk. The marine architect...
- supported by a mosaic of bones, but that these nevertheless mainly serve as rudders. In 2013, a study concluded that broad ichthyosaur flippers, like those...
- webbed and are their primary means of propulsion. Their tail functions as a rudder, controlling the direction they swim. Muskrats are found in most of Canada...
- included several innovative features, including shortfin keels and a separate rudder [disputed – discuss]. The design was eventually used on seagoing yachts...