UNDER-BOARD
\ˌʌndəbˈɔːd], \ˌʌndəbˈɔːd], \ˌʌ_n_d_ə_b_ˈɔː_d]\
Sort: Oldest first
-
un'd[.e]r-b[=o]rd, adv. (obs.) secretly--opp. to Above-board.
By Thomas Davidson