was a very ancient and illustrious patrician house at Rome from B. C. 503 to B. C. 376. Its only cognomen is Lanatus. [LANATUS.] Cicero (Cic. Fam. 13.9) mentions a Menenian tribe, and Appian a Menenius who was proscribed by the triumvirs in B. C. 43, and rescued from death by the self-devotion of one of his slaves. (B. C. 4.44.)