Companion

(kom-pān'yun), n. [Fr. compagnon, O. Fr. & Pr. compaing, companh, Sp. compaño, compañon, compañero, It. compagno, from L. Lat. companĭum, fellowship, a mess, from com and panis, bread.] One who accompanies or keeps company with another for a longer or shorter period; one who is associated with another; a comrade; a consort; a partner. “The companions of his fall.” Milton.

Here are your sons again, and I must lose Two of the sweetest companions in the world. Shak.

Companion hatch (Naut.), a wooden porch over the entrance or staircase of the cabin.—Companion ladder, that one by which officers ascend to, or descend from, the quarter-deck. Totten.—Companion way (Naut.), a staircase leading to the cabin.—Knights companions, the members of a knightly order, in distinction from the superiors or knights commanders.

Synonyms—Associate; comrade; mate; compeer; partner; ally; confederate; coadjutor; accomplice.