0 a type of crab (= a sea creature with five pairs of legs and a round, flat body covered by a shell) that lives on land rather than in water:
The grayish-blue land crabs generally are harmless unless provoked.
Florida's land crabs have been flushed from their waterfront holes by heavy rains.
These speedy land crabs need to stay within reach of salt water to be able to wet their gills and to forage for detritus and the flesh of dead fish or animals.
