(nautical) Someone who reefs sails, especially a midshipman. / A reefer jacket; a close-fitting jacket or short coat of thick cloth.

(colloquial, chiefly US) A refrigerated, insulated trailer, ship or shipping container. / (rail transport, US) a refrigerator car (type of boxcar).

(countable) A marijuana cigarette. / (uncountable) Marijuana.

plural of reefer

The centre part of a ship’s biscuit. This part was compressed and even harder than the rest of the biscuit.

plural of reefer jacket

A thick double-breasted jacket.

plural of reefer's nut

plural of quartz reefer

(Australia, obsolete) A person gold miner or prospector working on a quartz reef.