Cricket teams, e.g

Usage examples of elevens.

She had figured out how to multiply elevens and derive the distance formula, she had become a good tennis player and she'd saved Hobbes Johnson from drowning, she'd convinced Admiral Paris to mentor her and she'd saved Justin from death once before, at the hands of the Cardassians.

From now on the orbiter had to fly like an aircraft: elevens, flaps in the trailing edge of the wings, would now control the craft's pitch and roll.

But I got me a haircut at the barber shop last week, and I looked in the mirror, and I saw the back of my head in the other mirror behind me, and the elevens are up.