A special piece of clothing worn by soldiers to protect them from shrapnel and grenade fragments, other non-direct fire and battlefield debris. Sometimes used informally to connote any of the various forms of a bullet-proof vest.

(music) An informal gathering of musicians to play music, especially improvised jazz or a similar genre.

plural of jack-o'-lantern

plural of Jack O'Lantern

Alternative spelling of jack-o'-lantern

A carved pumpkin whose top and stem have been cut out and interior removed, leaving a hollow shell that is then decorated to represent a face, illuminated from within by a candle. It is a symbol of Halloween.

(Britain, idiomatic) Alternative spelling of jacktar

(idiomatic) A person who has a competent grasp of many skills but who is not outstanding in any one.

A term used of European hare, Lepus europaeus, in Eastern North America, originating from European hares that escaped from a farm.

Alternative spelling of jackrabbit