noun (abbreviation Sergt, Sgt)
1 a member of one of the middle ranks in the army and the air force, below an officer:
Sergeant Salter
seealsoFLIGHTSERGEANT, STAFFSERGEANT
2 (in Britain) a police officer just below the rank of an INSPECTOR
3 (in the US) a police officer just below the rank of a LIEUTENANT or CAPTAIN
seealsoSARGE
