Square

quadratisch

(shaped like a square)

rechtwinklig

(forming a right angle)

spießig

(socially conventional)

Doppelkreuz

(the # symbol on a telephone)

Feld

(cell in a grid)

Normalo

(slang: socially conventional person)

Platz

(open space in a town)

Quadrat

(type of polygon)

Quadrat

(second power)

Schachfeld

(cell in a grid)

Scheibe

(pane of glass)

Spießer

(slang: socially conventional person)

Stino

(slang: socially conventional person)

quadrieren

(math: to multiply by itself)