nectareous UK /nɛkˈtɛəɹi.əs/US /nɛkˈtɛɹi.əs/ adjective1 •Pertaining to nectar; nectarous.[O]n the board display'd / The ready meal before Ulysses lay'd. / (VVith flour imbrovvn'd) next mingled vvine yet nevv, / And luscious as the Bee's nectareous devv: […] — 1725