I. PTO 1 /ˌpiː tiː ˈəʊ $ -ˈoʊ/ BrE AmE
(please turn over) written at the bottom of a page to tell the reader to look at the next page
II. PTO 2 BrE AmE noun [countable]
American English (Parent–Teacher Organization) an organization of parents and teachers that tries to help and improve a particular school SYN PTA British English