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

Schoolma'am \School"ma'am\, n.
   A schoolmistress. [Colloq.U.S.]

资料来源 : WordNet®

schoolma'am
     n : a woman schoolteacher (especially one regarded as strict)
         [syn: {schoolmarm}, {schoolmistress}, {mistress}]