(phonetics) Any vowel sound produced in the back of the mouth, such as /uː/ in rule or /əʊ/ in pole.

To make hair flat by putting oil, water, etc. on it.

(soccer) A player who plays on the wing, and acts as both a defender and an attacker depending on the team's situation.

(British Commonwealth, dated in US) Alternative form of fullback

(soccer) A central defender, a player who plays in the centre of defence, just in front of the goalkeeper

(sports, billiards, snooker, pool) To cue the cue ball in such a way as to impart backspin. On impact, the ball will follow a reverse trajectory according to the spin.

(soccer) Collectively, the defenders of a team. / (field hockey) The line running across the goal to the corners of the playing field.

Used other than figuratively or idiomatically: see look, back. / (intransitive) To reconsider or regret.

Alternative form of look-back

(law) In U.S. patent law, a license under which a party grants another the right to use a patent under the condition that the licensee agrees to grant the licensor a license with respect to any improvements to that patent made by the licensee.