A vessel (usually cylindrical) with a wide mouth and without handles WordNet 3.0

A cylindrical vessel, typically used for storing food Open English WordNet

A jar is a rigid, cylindrical or slightly conical container, typically made of glass, ceramic, or plastic, with a wide mouth or opening that can be closed with a lid, screw cap, lug cap, cork stopper, roll-on cap, crimp-on cap, press-on cap, plastic shrink, heat sealed lidding film, an inner seal, a Tamper-evident band, or other suitable means. Wikipedia

Type of rigid, cylindrical container. Wikipedia Disambiguation

Rigid, approximately cylindrical container with a wide mouth or opening Wikidata

A small, approximately cylindrical container, normally made of clay or glass, for holding fruit, preserves, etc., or for ornamental purposes. Wiktionary

Small, approximately cylindrical container. Wiktionary (translation)