Definitions:

Lamb - a young sheep, under a year old

Ewe - a female sheep

Ram - male sheep that have not been castrated and have the ability to reproduce

Wether - a castrated male sheep unable to reproduce

Castration - a treatment used to limit the production of male hormones, which prevents male lambs from reproducing, removing testicles

Banding - the castration process that is meant to stop male lambs from becoming sexually mature rams, most commonly done by using rubber rings that are slid over the scrotum squeezing the arteries tightly shut so the scrotum drops off in a week or two

Docking - tail shortening

Polled - having no horns

Hair sheep - a sheep with virtually no woolly fibers, sheep that shed their fleeces annually and don't require shearing