brainy

1. (informal) Very intellectually capable.Examples: "She's brainy as well as pretty."Synonyms: clever, smart, astute, brainy, bright, brilliant, clever, educatedAntonyms: half-brained, brainless, intelligentinformal

2. (rare) Of or relating to the brain.Examples: "You shal vnderstande that there springeth of the brayny substaunce of his for*most Ventrikles, two senewes, […]"; "There is a hammer and an anuile [within the ear]: whereof the hammer, ſtricking vpon the anuile, muſt of neceſſity beate off ſuch litle partes of the brainy ſteames, as flying about do light and ſticke vpon the toppe of the anuile: […]"; "The Blood, being by the Syſtole or Conſtriction of the Heart Driven out of it in a Fœtus, by it’s Appetite to the Expanſive hovers upon the Baſis, whither the Contractive Force Purſues and Surrounds it, and as the Blood is ſtill Pulſed forwards and Expands it ſelf, and the Nervous or Brainy Subſtance by it’s Contractive Incloſes and Inveſts it, The Beginning of the Arteria Pulmonaris and the Canalis Arterioſus is Formed, and after that, the Aorta with it’s ſeveral Aſcending and Deſcending Branches; […]"Synonyms: brainial, cerebralrare