/mayn"mast', -mahst'/ ; Naut. /mayn"meuhst/ , n. Naut.
1. the second mast from forward in any ship having two or more masts, except for a yawl, ketch, or dandy. See illus. under quarterdeck .
2. the larger forward mast of a yawl, ketch, or dandy.
3. the sole mast of any of various ships, as sloops or cutters.
[ 1475-85; MAIN 1 + MAST 1 ]