lay up Copy link Outline I. To storeII. To confine to bed • lay up: I. To store: rĕcondo, dĭdi, dĭtum, 3: to l. up wealth in a treasury, opes aerario r., Quint. 10, 3, 3: Col. Fig.: to l. up words, looks (as a grudge), verba, voces r., Tac. A. 1, 7, extr. See also to store, treasure up. II. To confine to bed: usu. pass., to be laid up: aegrōto, cŭbo, jăceo: v. ill, to be. Phr.: during all the time he was laid up, per omne tempus valetudinis suae, Suet. Gr. 2.