From Longman Dictionary of Contemporary Englishshrimpshrimp /ʃrɪmp/ ●○○ noun (plural shrimp or shrimps) [countable] 1 
HBAa small sea creature that you can eat, which has ten legs and a soft shell SYN prawn British English2 SHORT PERSONsomeone who is very small – used humorously
HBAa small sea creature that you can eat, which has ten legs and a soft shell SYN prawn British English2 SHORT PERSONsomeone who is very small – used humorouslyExamples from the Corpus
shrimp• A mixture of flake, beef heart, spinach and shrimp pellets were used.• Brine shrimp, which are eaten by birds and ducks, hatch in the ponds.• In some fish, shrimp, and reptiles, gender is determined by the temperature at which the egg is incubated.• I can even find potted shrimps when the wind's in the right direction.• The grill had mutton chops and mash; the buffet ran things like smoked salmon, potted shrimps and corned ox tongue. 