crab

n.

1. A crab apple tree or its fruit.
2. A quarrelsome, ill-tempered person.

v., crabbed, crab·bing, crabs.

v.intr. Informal
To find fault; criticize someone or something.

v.tr.

1. Informal. To interfere with and ruin; spoil.
2. Informal. To find fault with; complain about.
3. To make ill-tempered or sullen.

[Middle English crabbe, possibly from crabbe, crab (shellfish). See crab¹.]

crabber crab'ber n.

crab	crab traps
crab steamer	crab ornaments