Etymology

From book +‎ crossCategory:English compound terms#BOOKCROSS, after the name of a Web site for this purpose, bookcrossing.com.

Verb

bookcross (third-person singular simple present bookcrosses, present participle bookcrossing, simple past and past participle bookcrossed)Category:English lemmas#BOOKCROSSCategory:English verbs#BOOKCROSSCategory:English entries with incorrect language header#BOOKCROSSCategory:Pages with entries#BOOKCROSSCategory:Pages with 1 entry#BOOKCROSS

1. To leave a book in a public location to be found and read by others, who then do likewise.