n. A fish of the genus Selene or the genus γomer; a moonfish or dollar-fish, as Selene vomer or Vomer setipinnis. See cut in next column.n. A fish of the family Hippocampidæ; a sea-horse.n. A cast of the interior of the shell of a fossil species of Trigoniidæ.n. The surf-scoter, a duck, Œdemia perspicillata, more fully called horsehead coot.n. In machinery, a lever, so named because of its shape, used on a Heilmann cotton-combing machine as part of the detaching mechanism.