Definify.com
Webster 1913 Edition
Reefer
Reef′er
(rēf′ẽr)
, Noun.
 1. 
(Naut.) 
One who reefs; – a name often given to midshipmen. 
Marryat.
 2. 
A close-fitting jacket or short coat of thick cloth. 
3. 
A marijuana cigarette. 
[Slang] 
Definition 2025
reefer
reefer
English
Noun
reefer (plural reefers)
-  (nautical) Someone who reefs sails, especially a midshipman.
-  1922, Katherine Mansfield, ‘Prelude’, Oxford 2002 (Selected Stories), p. 85:
- Her reefer cap was all on one side and on her cheek there was the print of an anchor button she had pressed on while sleeping.
 
 
 -  1922, Katherine Mansfield, ‘Prelude’, Oxford 2002 (Selected Stories), p. 85:
 - A reefer jacket; a close-fitting jacket or short coat of thick cloth.
 
Derived terms
Translations
someone who reefs
  | 
reefer jacket — see reefer jacket
Etymology 2
Short for refrigerator.
Noun
reefer (plural reefers)
- (colloquial, chiefly US) A refrigerated, insulated trailer, ship or shipping container.
 
Translations
refrigerated trailer or container
  | 
Etymology 3
Origin uncertain. Perhaps compare regional Spanish grifa (“cannabis”) (Mexico), grifo (“someone who smokes cannabis”) (Central America).
Noun
reefer (plural reefers)
- (slang) A marijuana cigarette.
 -  (slang, uncountable) marijuana.
-  1982, Grandmaster Flash, "The Message":
- Daddy I don't want to go to school because the teacher's a jerk, he must think I'm a fool and all the kids smoke reefer, I think it'd be cheaper if I just got a job learned to be a street sweeper.
 
 
 -  1982, Grandmaster Flash, "The Message":
 
Synonyms
- (marijuana cigarette): See also Wikisaurus:marijuana cigarette, Appendix:Cannabis slang
 
Translations
marijuana cigarette
marijuana — see marijuana