one of four children born at the same time from the same pregnancy

[ Syn: quadruplet ]

a muscle of the thigh that extends the leg

[ Syn: quadriceps , quadriceps femoris , musculus quadriceps femoris ]

(printing) a block of type without a raised letter; used for spacing between words or sentences

[ Syn: space ]

a rectangular area surrounded on all sides by buildings

[ Syn: quadrangle ]