CRAB n.
l.), one of a group of spiders (Laterigradæ); -- called because they can run backwards or sideways like a crab. -- Crab tree, the tree that bears crab applies. -- Crab wood, a light cabinet wood obtained in Guiana, which takes a high polish. McElrath. -- To catch a crab (Naut.), a phrase used of a rower: (a) when he…