What is the meaning of 'yo'

1. An old astronomical instrument, formed of two cones, on whose surface the constellations were delineated.

1. To oppose with an equal weight or power; to counteract the power or effect of; to countervail; to equiponderate; to balance.
2. A weight, power, .....

1. Affording chondrin.

1. The territorial jurisdiction of a dean.
2. The residence of a dean.
3. The office or the revenue of a dean. See the Note under Benefice, n., 3.