Having two parts.
Having two participants; joint.
Having vertices that can be divided into two independent sets (see bigraph)
Divided into two at the base.
Having three aspects.
Of three times the quantity.
Designed for three users.
Made up of three related elements, often matching
Folded in three; composed of three layers.
Of time, three times as fast as very fast.
Three times or thrice the number, amount, size, etc..
A hamburger with three patties.
A three-base hit.
A three-point field goal.
A drink with three portions of alcohol.
A takeout shot in which three stones are removed from play.
A sequence of three elements or 3-tuple.
To get a three-base hit.
To become three times as large.
To serve or operate as (something), in addition to two other functions.
To multiply by three.