[562] lāpso, āre (Intens. v. labor), wanken, Priamus lapsans, Verg.: equi sanguine suo et lubrico paludum lapsantes, Tac.: cum subinde crapulā et capitis errore lapsaret, Flor.: lapsantes gressus, Sil.: lapsantes pedum palmae, Amm. – prägn., hinwanken = fallen, Stat. Theb. 5, 223. – übtr., verba lapsantia, hingeplapperte, Gell. 1, 15, 1. – / Depon. Nbf. lāpsor, ārī, Diom. 344, 21.