- headmaster, schoolmaster, master - presiding officer of a school
--1 is a kind of principal, school principal, head teacher, head
--1 has particulars: housemaster - schoolmaster - any person (or institution) who acts as an educator
--2 is a kind of educator, pedagogue
- schoolmaster, Lutjanus apodus - food fish of warm Caribbean and Atlantic waters
--3 is a kind of snapper
--3 is a member of Lutjanus, genus Lutjanus - schoolmaster, Lutjanus apodus - food fish of warm Caribbean and Atlantic waters