com·man·do 
(k
ə-m
ăn
d
ō)
n. pl. com·man·dos or
com·man·does 1. a. A small fighting force specially trained for making quick destructive raids against enemy-held areas.
b. A member of such a force.
2. a. An organized force of Boer troops in South Africa.
b. A raid made by such a force.
Idiom: go commando Slang To wear clothing without wearing undergarments, especially underpants.
[Afrikaans kommando, from Dutch commando, unit of troops, from Spanish comando, from comandar, to command, from Late Latin commandāre; see COMMAND.]