rudder

名词 n.
中文释义
英 /ˈɹʌdəː/|[ˈɹʌdəː]    美 /ˈɹʌdɚ/|[ˈɹʌ̈dɚ] ~ [ˈɹʌ̈dɹ̩]

英文释义

名词 n.
  1. An underwater vane used to steer a vessel. The rudder is controlled by means of a wheel, tiller or other apparatus (modern vessels can be controlled even with a joystick or an autopilot).
  2. A control surface on the vertical stabilizer of a fixed-wing aircraft or an autogyro. On some craft, the entire vertical stabilizer comprises the rudder. The rudder is controlled by foot-operated control pedals.
  3. A riddle or sieve.
  4. That which resembles a rudder as a guide or governor; that which guides or governs the course. figuratively
    — For rhyme the rudder is of verses,/With which, like ships, they steer their courses.
  5. The tail of an otter.
    — He sniffed Tarka’s hair from rudder to neck, and his nose remained at the neck. It was a strange smell, and he sniffed carefully, not wanting to touch the fur with his nostrils.

词形变化

rudders plural

词汇关系

衍生词
balance rudder bow rudder drop rudder Dutch rudder rudder authority rudder blade rudder chain rudder coat ruddered rudderfish rudderhead rudderhole rudderless rudderlike rudderon rudder pendants rudderpost rudder roll rudderstock rudder stock ruddervator
相关词
tiller

词源

Etymology tree
Proto-Indo-European *h₁reh₁-
Proto-Indo-European *h₁roh₁-(ye-)-tider.
Proto-Germanic *rōaną
Proto-Indo-European *-tḗr
Proto-Indo-European *-trom
Proto-Germanic *-þrą
Proto-Germanic *rōþrą
Proto-West Germanic *rōþr
Old English rōþor
Middle English rother
English rudder
From Middle English rodder, rother, ruder, from Old English rōþor (“oar, rudder”), from Proto-West Germanic *rōþr, from Proto-Germanic *rōþrą (“oar, rudder”) (compare Dutch and West Frisian roer, German Ruder), from Proto-Germanic *rōaną, from Proto-Indo-European *h₁reh₁- (“to row”) + Proto-Germanic *-þrą, *-þraz, instrumental suffix. Akin to Old English rōwan (“to row”). More at rōwan, -þor.
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