Englishfor English speakers
three
Determiner
—
(ordinal third) The number 3.
A triangle has three sides.
three
Noun
—
The number 3.
One and two is three.
dimensional
—
adjective
of or relating to dimensions
—
adjective
having dimension--the quality or character or stature proper to a person
never matures as a dimensional character; he is pasty, bland, faceless
— Norman Cousins
polyomino
noun
—
polyform made of squares