One who accompanies or is in company with another for a longer or shorter period, either from choice or casually; one who is much in the company of, or is associated with, another or others; an associate; a comrade; a consort; a partner.
A knight of the lowest rank in certain orders; as, a companion of the Bath.
A fellow; -- in contempt.
A skylight on an upper deck with frames and sashes of various shapes, to admit light to a cabin or lower deck.
A wooden hood or penthouse covering the companion way; a companion hatch.
A merry companion is as good as a wagon. John Lyly
I spoke so much about being a manic-depressive. I want to bring everyone back to my earliest memories of this companion of mine. Some people call this companion I have an ailment, or worse a terrible nightmare from which some people cannot awaken. I know that I have nothing to be ashamed of. I have nothing that should garner a stigma. Richard Dreyfuss
companion in Afrikaans is makker
companion in Dutch is maat, kameraad, kornuit, makker
companion in French is compagne, camarade
companion in Latin is comes comitis, socius-i
companion in Portuguese is companheiro