Entry 1 sense Webster, 1913 Lentiginous /(-nŭs)/ · Len·tig·i·nous · IPA /lɛnˈtɪdʒənəs/ 01 a. Of or pertaining to lentigo; freckly; scurfy; furfuraceous. 1. Of or pertaining to lentigo; freckly; scurfy; furfuraceous.