Большой англо-русский и русско-английский словарь. 2001.
Onerary — On er*a*ry, a. [L. onerarius, fr. onus, oneris, load, burden: cf. F. on[ e]raire.] Fitted for, or carrying, a burden. Johnson. [1913 Webster] … The Collaborative International Dictionary of English
onerary — … Useful english dictionary