v. & n.
v.tr. 1 refer to briefly. 2 specify by name. 3 reveal or disclose (do not mention this to anyone). 4 (in dispatches) award (a person) a minor honour for meritorious, usu. gallant, military service.
n. 1 a reference, esp. by name, to a person or thing. 2 (in dispatches) a military honour awarded for outstanding conduct. don't mention it said in polite dismissal of an apology or thanks. make mention (or no mention) of refer (or not refer) to. not to mention introducing a fact or thing of secondary or (as a rhetorical device) of primary importance. mentionable adj.
[ OF f. L mentio -onis f. the root of mens mind ]