Lewis & Short

ā̆prīcor, āri, v. dep. [apricus], to sun one’s self, bask in the sun: in sole, Varr. ap. Non. p. 76, 15: Alexander offecerat Diogeni apricanti, Cic. Tusc. 5, 32, 92; so Col. 8, 4, 6; Plin. 36, 25, 60, § 184.