plural of threespace

Alternative spelling of three-space

A call in any children's game, such as jacks, where three actions must be performed. / (childish) The sharing of something between three people.

plural of threeside

Any object or shape consisting of three sides; triangle.

Having three sides; triangular.

(slang) Sexual intercourse between one woman and two men.

plural of devil's threesome

plural of threespine stickleback

The property of being a group of three.