释义
n.
a small gregarious toothed whale which typically has a beak-like snout and a curved fin on the back. Dolphins have become well known for their sociable nature and high intelligence.
海豚。
a dolphin-like creature depicted in Heraldry or art, typically with an arched body and fins like a fish
（纹章或美术中描绘的，多为身体弓形如鱼般有鳍的）海豚状动物。
(亦作
同
a bollard, pile, or buoy for mooring
系船柱，系船桩；系船浮筒。
a structure for protecting the pier of a bridge
桥墩的保护结构。
词源
"late Middle English： from Old French
