Crossword Clue:

One of four for a square Abbr

AnswerCrossword Clue
ANGOne of four for a square: Abbr.
GDNMadison Square, for one: Abbr.
SIDEOne of four in a square
ANGLEOne of four in a square
RIGHTANGLEOne of four in a square
RBIOne of four in a grand slam: Abbr.