ad·vert¹ / ˈadˌvərt/ • n. Brit., inf. an advertisement.ad·vert / adˈvərt; ədˈvərt/ • v. [intr.] (advert to) formal refer to in speaking or writing: he had failed to advert to the consequences of his conduct.

advert (obs. or arch.) turn one's attention (cf. ANIMADVERT). XV. (Earlier also avert) —(O)F. avertir (now only) warn :- Rom. *advertīre; see next. The rel. advertence (XIV), advertency (XVII), advertent (XVII) are now mainly repr. in the neg. INADVERTENCE, etc.