noun a gear; a tackle.
2. jeer ·noun a railing remark or reflection; a scoff; a taunt; a biting jest; a flout; a jibe; mockery.
3. jeer ·noun an assemblage or combination of tackles, for hoisting or lowering the lower yards of a ship.
4. jeer ·vt to treat with scoffs or derision; to address with jeers; to taunt; to flout; to mock at.
5. jeer ·v to utter sarcastic or scoffing reflections; to speak with mockery or derision; to use taunting language; to scoff; as, to jeer at a speaker.