(music) The musical interval equal to one quarter of a tone or 1/24 of an octave; half a semitone.

(history of numismatics) A British coin, produced for circulation in Ceylon 1839–1853, which, at a face value of ⅟₁₆d. (£⅟₃₈₄₀), is the lowest denomination of coin ever minted for the United Kingdom.

(historical) A block on which the body of a condemned criminal was quartered.

plural of quarter day

(UK military slang, now rare) A quartermaster, or quartermaster sergeant.

plural of quarter-bloke

A cleft in the quarter of a horse's foot.

(nautical) A block fitted under the quarters of a yard on each side of the slings, through which the clewlines and sheets are reeved.

The hide and fat of a butchered animal, regarded as separate from the meat.

(nautical) An ornament on the side of a vessel near the stern.