资料来源 : Webster's Revised Unabridged Dictionary (1913)

Mam \Mam\ (m[a^]m), n. [Abbrev. fr. mamma.]
   Mamma.

资料来源 : WordNet®

Mam
     n 1: a member of a Mayan people of southwestern Guatemala
     2: a Mayan language spoken by the Mam people