Lewis Short
pŭtĕus | pŭtĕa, ōrum (noun M) : (
* Neutr. collat. form of the plur. , , Varr. ap. Non. 217, 4) [root pu-, to cleanse; whence also purus, putus, purgo], a well: puteum fodere,Plaut. Most. 2, 1, 32: ex puteis jugibus aquam calidam trahi,Cic. N. D. 2, 9, 25; id. Div. 1, 50, 112: virgines se in puteos abjecisse,id. Prov. Cons. 3, 6; Plin. 9, 25, 41, § 80; 37, 9, 43, § 127; Plin. Ep. 2, 17, 25; 5, 6, 25: putei perennes,Hor. Ep. 1, 15, 15: puteum vitare patentem,id. ib. 2, 2, 135 et saep. —Of a cistern, Auct. B. Alex. 5 fin.—Prov.: in puteum conicere,to throw away,Petr. 42.
* Transf., a pit, Verg. G. 2, 231; for storing grain in,Varr. R. R. 1, 57, 2; in mines,a pit, shaft,Plin. 33, 4, 21, § 68; 33, 6, 31, § 95; an air-shaft, air-hole, Vitr. 8, 6; a dungeon for slaves, Plaut. Aul. 2, 5, 21; 2, 7, 3; Col. 1, 6.
Charlton T. Lewis, Charles Short, A Latin Dictionary