a flat shape constructed of five squares that each touch one or more of their neighbours along any or all of the four sides
a geometric shape composed of five (greek / pente) identical
a geometric shape formed by adjoining five squares with one another edge to edge
a geometric shape formed by the edge-to-edge joining of five unit squares
A pentomino is a polyomino composed of five (Greek Ï€Îντε / pente) congruent squares, connected orthogonally.
