plural of fisherman's loop

plural of time loop

(chiefly science fiction) A hypothetical or fictional instance of characters living through a set period of time repeatedly until the loop can be broken.

A long, narrow, vertical opening, usually widening inward, cut in a medieval wall, parapet, or fortification, for use by archers.

(rail transport) A loop provided for the purpose of turning a train or tram round to face in the opposite direction. The vehicles themselves do not have to reverse.

plural of reversing loop

plural of platform loop

(rail transport) A short stretch of railway line at a railway station which leaves a through line to serve a platform, before rejoining the through line beyond the station.

(rail transport) A secondary route which leaves a mainline, following a different route to the main line, before rejoining it several miles further on.

plural of loop line