Crossword Clue:

a set of three

AnswerCrossword Clue
TRIOSet of three
TRIADSet of three
TRINESet of three
LEASHSet of three
TRIANGLESet of three.
TERNSet of three
TRINSet of three: Abbr.
LEASHSet of three hounds
LEASHSet of three hounds, in hunting
MENONThree .. (grand slam set-up)
BILLCLINTONU.S. president who set aside more than three million acres for preservation