crab

1 crab /ˈkræb/ noun
plural crabs
1 crab
/ˈkræb/
noun
plural crabs
Britannica Dictionary definition of CRAB
1 
a  [count] : a sea animal that has a hard shell, eight legs, and two large claws — see color picture on this page; see also hermit crab, king crab
b  [noncount] : the meat of a crab eaten as food
2 
crabs [plural] medical : a medical problem in which very small insects (called lice) live in the hair surrounding a person's sexual organs
3 
[count] US, informal : an unhappy person who complains a lot : grouch
2 crab /ˈkræb/ verb
crabs; crabbed; crabbing
2 crab
/ˈkræb/
verb
crabs; crabbed; crabbing
Britannica Dictionary definition of CRAB
[no object]
1 
: to catch or try to catch crabs
2 
US, informal : to complain about something in a way that annoys people

— crabbing

noun [noncount]