Abbreviation of 2 Timothy.

(biblical) The sixteenth book of the New Testament of the Bible, the second epistle to Timothy.

(biblical) The twenty-fourth book of the New Testament of the Bible, the second epistle of John.

Abbreviation of two-dimensional.

A model railway gauge of 64 mm, standardised in 1909 but since fallen into disuse.

(organic chemistry) The organic compound isopentane.

(canoeing) A class of canoe for two kneeling people.

(canoeing) A class of kayak for two seated people.

Alternative spelling of number two / Short form of number 2 pencil

(video games) An item that grants the player two extra lives in the game. / (video games, uncountable) In a game with multiple players, an indicator or identifier of player 2.