释义 |
ˈunder-board, n. [under-1 5 b and under a. 1 b.] The lower of two boards forming an organ bellows or wind-chest.
1781Encycl. Brit. (ed. 2) VIII. 5747/1 [In] the church-organ..the sound-board..is composed of two parts, the upper board..and the under board. 1845Stimpson Gt. Organ B'ham 8 Directly over the under-board is situated the upper-board, which is perforated with holes to correspond with those in the under-board. |