An article of clothing worn over the front of the torso and/or legs for protection from spills; also historically worn by Freemasons and as part of women's fashion.

The short cassock ordinarily worn by English bishops.

A hard surface bordering a structure or area, such as the paved area of an airport, the spreading end of a driveway, the paved area below the yellow line on a race track, the loading, parking or roadway area beside a railway station, the portion of a stage extending towards the audience beyond the proscenium arch in a theatre, or a large decal toward the bottom of a pinball table.

The sides of a tree's canopy.

The cap of a cannon; a piece of lead laid over the vent to keep the priming dry.

A removable cover for the passengers' feet and legs in an open horse carriage.

(transitive) To cover with, or as if with, an apron.