“Turn around and return … or a feature of 17-, 24-, 32-, 45- and 51-Across?”

Mild lettuce variety

Marathons, e.g.

Minor quarrel

Et ___ (Latin for "and others")

Instrument played with a bow

University in New Rochelle, N.Y.

Girl of classic comics who sported ringlets and a red outfit

Dull-colored

Shooting star