society > society and the community > kinship or relationship > marriage or wedlock > unmarried person(s) > unmarried man > [noun] > by choice (4)
an elderly or confirmed bachelor; spec. one having the fastidious habits considered to be typical of such a person; (occasionally) an animal of this…
A bachelor; one who is vowed to celibacy.
U.S. slang. A bachelor; old bach, a confirmed bachelor. Also to keep bach for earlier to keep bachelor's hall (cf. hall, n.1 11) = bach, v.