splatbookEtymologyFrom splat + book, from the tendency for all the books in the series to be named uniformly, with only the name of the group varying. See splat (“asterisk”), a symbol used as a wildcard in computing.splatbook means one of a series of books for a roleplaying game, oriented towards players, each of which covers a specific group with further options for player characters in that group. Lexicurio rates it Sui generis — a strength score of 90 out of 100.nounOne of a series of books for a roleplaying game, oriented towards players, each of which covers a specific group with further options for player characters in that group.“Speaking of redoing the splatbooks, soes^([sic]) anyone think there's a chance in hell that they're going to redo the werewolf tribebooks?”