of or pertaining to the Isle of Man, its inhabitants, or their language.
–noun
2.
(used with a plural verb) the inhabitants of the Isle of Man.
3.
the Gaelic of the Isle of Man, virtually extinct.
Origin: 1565–75; syncopated and metathesized form of earlier Manisk(e) < ON manskr of the Isle of Man, equiv. to Man name of the island + -skr adj. suffix denoting origin (see -ish1)
[mangks] 
) the inhabitants of the Isle of Man.