DELTOID

Pronunciation (US):

(GB):

 Dictionary entry overview: What does deltoid mean? 

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

1. a large triangular muscle covering the shoulder joint and serving to abduct and flex and extend and rotate the arm

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

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

1. triangular or suggesting a capital delta, with a point at the apex

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

 Dictionary entry details 

• DELTOID (noun)

Sense 1

Meaning:

A large triangular muscle covering the shoulder joint and serving to abduct and flex and extend and rotate the arm

Classified under:

Nouns denoting body parts

Synonyms:

deltoid; deltoid muscle; musculus deltoideus

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

skeletal muscle; striated muscle (a muscle that is connected at either or both ends to a bone and so move parts of the skeleton; a muscle that is characterized by transverse stripes)

Holonyms ("deltoid" is a part of...):

rotator cuff (a supporting structure of the shoulder consisting of the muscles and tendons that attach the arm to the shoulder joint and enable the arm to move)

• DELTOID (adjective)

Sense 1

Meaning:

Triangular or suggesting a capital delta, with a point at the apex

Similar:

simple; unsubdivided ((botany) of leaf shapes; of leaves having no divisions or subdivisions)

 Context examples 

This is the deltoid on the left side of the body.

(Left Deltoid, NCI Thesaurus)

The deltoid muscle is innervated by the brachial plexus arising from the fifth and sixth cervical nerves and controls abduction, extension, flexion, and rotation of the arm.

(Deltoid, NCI Thesaurus)

A nerve originated from the posterior cord of the brachial plexus within the axilla then passing through the quadrangular space to innervate the deltoid and teres minor muscles and terminating as the superior lateral brachial cutaneous nerve.

(Axillary Nerve, NCI Thesaurus)