QUADRILATERAL

Pronunciation (US):

(GB):

 Dictionary entry overview: What does quadrilateral mean? 

• QUADRILATERAL (noun)
  The noun QUADRILATERAL has 1 sense:

1. a four-sided polygon

  Familiarity information: QUADRILATERAL used as a noun is very rare.

• QUADRILATERAL (adjective)
  The adjective QUADRILATERAL has 1 sense:

1. having four sides

  Familiarity information: QUADRILATERAL used as an adjective is very rare.

 Dictionary entry details 

• QUADRILATERAL (noun)

Sense 1

Meaning:

A four-sided polygon

Classified under:

Nouns denoting two and three dimensional shapes

Synonyms:

quadrangle; quadrilateral; tetragon

Hypernyms ("quadrilateral" is a kind of...):

polygon; polygonal shape (a closed plane figure bounded by straight sides)

Hyponyms (each of the following is a kind of "quadrilateral"):

parallelogram (a quadrilateral whose opposite sides are both parallel and equal in length)

trapezium (a quadrilateral with no parallel sides)

trapezoid (a quadrilateral with two parallel sides)

• QUADRILATERAL (adjective)

Sense 1

Meaning:

Having four sides

Synonyms:

four-sided; quadrilateral

Similar:

many-sided; multilateral (having many parts or sides)

 Context examples 

A quadrilateral whose opposite sides are both parallel and equal in length.

(Parallelogram, NCI Thesaurus)

A thin, broad, quadrilateral muscle that lies within the interval between the jaw (maxilla and mandible) on the side of the face.

(Buccinator, NCI Thesaurus)

A large, irregular, quadrilateral area of bone found at the neck of the femur.

(Great Trochanter, NCI Thesaurus)

A thin, quadrilateral muscle originating at the lower margin of the orbit and attaching to the muscles of the upper lip to elevate the lip.

(Levator Labii Superioris, NCI Thesaurus)

Before a big fire lay Captain Smollett; and in a far corner, only duskily flickered over by the blaze, I beheld great heaps of coin and quadrilaterals built of bars of gold.

(Treasure Island, by Robert Louis Stevenson)

A quadrilateral muscle extending from the lateral pterygoid plate to the medial surface of the mandible that closes the jaw and aids in mastication.

(Internal Pterygoid Muscle, NCI Thesaurus)