(rail transport) The carefully-timed situation in which two opposing trains on a nominally single-track line meet at a siding and are able to pass each other without stopping, because they have reached the siding simultaneously.

(fishing) A fly used in fly fishing, designed to float in or on the surface of the water

(fishing) A lure for fly fishing designed to be fished beneath the surface of the water.

(fishing) Using such a lure.

(fishing) a form of angling whereby the weight of the line is used to cast the lure, i.e. the fly

(inaccurately named) ichneumon wasp

Any of the family Bibionidae of dark hairy flies. / Tipula hortulana (syn. Bibio hortulanus), now of family Tipulidae of crane flies.

(music) A wooden electric guitar with a futuristic shape.

(idiomatic) A very short visit.

(Britain) garibaldi biscuit; currants squashed between two thin, rectangular biscuits.