a man who teaches in or runs a school a person or thing that acts as an instructor
WordReference Random House Learner's Dictionary of American English © 2026
school•mas•ter /ˈskulˌmæstɚ/USA pronunciation
n. [countable]
WordReference Random House Unabridged Dictionary of American English © 2026- Educationa man who is in charge of or who teaches in a school.
school•mas•ter
(sko̅o̅l′mas′tər, -mä′stər),USA pronunciation n.
v.t., v.i.
school′mas′ter•ship′, n.
- Educationa man who presides over or teaches in a school.
- anything that teaches or directs:Life can be a harsh schoolmaster.
- Fisha snapper, Lutjanus apodus, a food fish found in Florida, the West Indies, etc.
v.t., v.i.
- Educationto teach or direct in the capacity of schoolmaster.
- Middle English scolemaister. See school1, master 1175–1225
Collins Concise English Dictionary © HarperCollins Publishers::
'schoolmaster' also found in these entries (note: many are not synonyms or translations):