D defs.my
Entry 3 senses Webster, 1913

Reefer

/(rēf"ẽr)/ · Reef·er · IPA /ˈɹiːfɚ/
01 n. One who reefs; -- a name often given to midshipmen.
  1. 1.
    One who reefs; -- a name often given to midshipmen.(Naut.)
  2. 2.
    A close-fitting jacket or short coat of thick cloth.
  3. 3.
    A marijuana cigarette.[Slang]