narwhal

1. 1.

   An Arctic toothed whale (Monodon monoceros) that grows to about 20 feet (6 meters) long, the male having a single horn-like tusk, a twisted, pointed cuspid that projects forward.

   一种北极齿鲸(Monodon monoceros),体长约20英尺(6米),雄性具一根角状长牙,呈螺旋状,尖端向前突出。

独角鲸(等于narwal)；一角鲸(一种齿鲸；雄性有一长牙)

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