'Schoolma'am' definitions:

Definition of 'schoolma'am'

From: WordNet
noun
A woman schoolteacher (especially one regarded as strict) [syn: schoolmarm, schoolma'am, schoolmistress, mistress]

Definition of 'Schoolma'am'

From: GCIDE
  • Schoolma'am \School"ma'am\, n. A schoolmistress. [Colloq.U.S.] [1913 Webster]