#1 quad n. [quadruplet] one of four children born at the same time from the same pregnancy. wn
#2 quad n. [quadriceps, quadriceps femoris, musculus quadriceps femoris] a muscle of the thigh that extends the leg. wn
#3 quad n. [space] (printing) a block of type without a raised letter; used for spacing between words or sentences. wn
#4 quad n. [quadrangle] a rectangular area surrounded on all sides by buildings. wn
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