quad

noun

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

   Synonyms

   • quadruplet

   Less specific

   • sibling, sib

2. a muscle of the thigh that extends the leg

   Synonyms

   • quadriceps, quadriceps femoris, musculus quadriceps femoris

   Less specific

   • extensor muscle, extensor

   Part of

   • thigh

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

   Synonyms

   • space

   Less specific

   • type

   More specific

   • hair space

4. a rectangular area surrounded on all sides by buildings

   Synonyms

   • quadrangle

   Less specific

   • area