sb. pl. Also 7 in anglicized form trions. [L. triōnēs ploughing-oxen, also as here.] A name for the seven principal stars in Ursa Major, also called Charles’s Wain.
1594. Greene & Lodge, Looking Glass, G.’s Wks. (Rtldg.), 134/1. The fair Triones with their glimmering light Smil’d at the foot of clear Bootes’ wain.
1615. Crooke, Body of Man, 340. There are seauen wonders of the world,… seauen greater and lesser Triones in heauen.
1654. Vilvain, Epit. Ess., VI. 51. The Heav’ns sevn Trions show.
1795. Hutton, Math. Dict., Triones,… Charles’s Wain.
