I.to tread or beat out (very rare; not in Cic.).
II. Transf., to tread down, to stamp firm or close: “singuli ab infimo solo pedes terra exculcabantur,” rammed down, Caes. B. G. 7, 73, 7 Oud.— Hence, * exculcātus , a, um, P. a. (trodden out, worn out by treading; trop.), worn out: “verba nimis obsoleta exculcataque,” Gell. 11, 7, 1.