From The Collaborative International Dictionary of English v.0.48 [gcide]:
Comrade \Com"rade\ (? or ?; 277), n. [Sp. camarada, fr. L.
camara, a chamber; hence, a chamber-fellowship, and then a
chamber-fellow: cf. F. camarade. Cf. Chamber.]
A mate, companion, or associate.
[1913 Webster]
And turned my flying comrades to the charge. --J.
Baillie.
[1913 Webster]
I abjure all roofs, and choose . . .
To be a comrade with the wolf and owl. --Shak.
[1913 Webster]
From WordNet (r) 3.0 (2006) [wn]:
comrade
n 1: a friend who is frequently in the company of another;
"drinking companions"; "comrades in arms" [syn:
companion, comrade, fellow, familiar, associate]
2: a fellow member of the Communist Party
3: used as a term of address for those male persons engaged in
the same movement; "Greetings, comrade!" [syn: brother,
comrade]