capt
n. countable B1 Intermediate capt
n. the short way to write the title 'Captain'. You use it before a person's name, especially for leaders in the military or on a ship.
n. a standard abbreviation for the rank or title of Captain. Typically used as a title preceding a proper name in military, naval, or aviation contexts.
Capt. Miller led the team during the mission.
The letter was addressed to Capt. Sarah Jenkins, who had served in the navy for twenty years.
While the formal documents listed him as a commander, the local crew always referred to him as Capt. Smith out of long-standing habit and respect for his previous rank.
Usage
Always capitalized when used as a title; usually followed by a period in American English (Capt.) but often without one in British English (Capt).