Bask in sun

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
1690s, "to bask in the sun," from Latin apricatus , past participle of apricari "to bask in the sun," from apricus "exposed" (to the sun); perhaps contracted from *apericus , from aperire "to open" (see overt ). Transitive sense is recorded from 1851.

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Apricate \Ap"ri*cate\, v. t. & i. [L. apricatus, p. p. of apricare, fr. apricus exposed to the sun, fr. aperire to uncover, open.] To bask in the sun. --Boyle.

Wiktionary Word definitions in Wiktionary
vb. (context rare English) To bask in the sun