I. ˈjī(-ə)r noun
Etymology: Latin gyrus, from Greek gyros
Date: 1566
: a circular or spiral motion or form ; especially : a giant circular oceanic surface current
• gy·ral ˈjī-rəl adjective
II. intransitive verb
( gyred ; gyr·ing )
Etymology: Late Latin gyrare, from Latin gyrus
Date: 1593
: to move in a circle or spiral