D defs.my
Entry 2 senses Webster, 1913

grapefruit

/(grāp"fro͞ot`)/ · grape·fruit · IPA /ˈɡɹeɪpfɹut/
01 n. A citrus tree (Citrus paradisi) bearing large round edible fruit having a thick yellow rind and juicy somewhat acid pulp.
  1. 1.
    A citrus tree (Citrus paradisi) bearing large round edible fruit having a thick yellow rind and juicy somewhat acid pulp.
  2. 2.
    The large yellow fruit of the Citrus paradisi, having somewhat acid juicy pulp. It is a popular breakfast food.