- a yellowish-green crab, Carcinides maenas, common in shallow waters along rocky shores.
Origin of green crab
First recorded in 1860–65
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for green crab
In the little hollows between rocks a rock-crab or a green-crab may be found on guard.