Hetaera \He*t[ae]"ra\, Hetaira \He*tai"ra\, n.; pl. {-r[ae]}. [NL. See {Hetairism}.] (Gr. Antiq.) A female paramour; a mistress, concubine, or harlot. -- {He*t[ae]"ric}, {He*tai"ric}, a. [Webster 1913 Suppl.] Hetairism