TURN v. 2 definitions
, to bend over the edge or point of so as to make dull; to blunt. -- To turn the head or brain of, to make giddy, wild, insane, or the like; to infatuate; to overthrow the reason or judgment of; as, a little success turned his head. -- To turn the scale or balance, to change the preponderance; to decide or determine…
VENTRICLE n.
A cavity, or one of the cavities, of an organ, as of the larynx or the brain; specifically, the posterior chamber, or one of the two posterior chambers, of the heart, which receives the blood from the auricle and forces it out from the heart. See Heart.