I. |mau̇nt ə n|i(ə)r, -tə̇|ni-, -iə noun
( -s )
Etymology: mountain (I) + -eer
1.
a. : a native or inhabitant of a mountainous region
encouraging some of these isolated mountaineers to come down and live in more compact settlements — B.M.Bowie
specifically : hillbilly
critical of the rural … mountaineers — A.N.Votaw
b. : mountain man 2
2. : one who climbs mountains for sport
II. intransitive verb
( -ed/-ing/-s )
: to climb mountains for sport