n. (Zool.) (a) A marine fish (Thaleichthys Pacificus), allied to the smelt, found on the north Pacific coast; -- called also eulachon. It is so oily that, when dried, it may be used as a candle, by drawing a wick through it. (b) The beshow. [ 1913 Webster ]
n. (Zool) A large ganoid fish (Polyodon spathula) found in the rivers of the Mississippi Valley. It has a long spatula-shaped snout. Called also duck-billed cat, and spoonbill sturgeon. [ 1913 Webster ]