Noun
(sports) The ability to catch and keep hold of (the ball, etc.)
(metonymically) A player who has this ability.
(figuratively) An experienced person (especially a leader) who can be trusted to do a decent job and not to make serious mistakes; often in relation to a task which is difficult and important; often suggesting blandness or a contrast to someone brilliant but erratic.
Source: en.wiktionary.org