Definition of "rib"
rib1
/ɹɪb/
noun
plural ribs
verb
third-person singular simple present ribs, present participle ribbing, simple past and past participle ribbed
rib2
/ɹɪb/
noun
plural ribs
(botany) Hound's-tongue (Cynoglossum officinale).
(botany) Watercress (Nasturtium officinale).