Enough to fill a spool.

A child's homemade toy made by attaching an elastic band to a cotton reel to form a slingshot that could shoot a pencil or other slim object through the bore of the reel.

plural of spool cannon

A prefabricated portion of pipework and fittings, for ease of installation.

plural of pipe spool

(transitive) To appear in succession, as if from a film spool.

(cosmetics) A small brush with broad bristles, used to remove clumps of mascara etc.

plural of spool brush

simple past tense and past participle of spool up

(aviation, of a turbine engine) To decrease in rotational speed, producing a decrease in thrust.