Meaning of the word deltoid in English

What does deltoid mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

deltoid

US /ˈdel.tɔɪd/
UK /ˈdel.tɔɪd/
"deltoid" picture

Noun

a large triangular muscle covering the shoulder joint, responsible for lifting the arm away from the body

Example:
He worked on his deltoids at the gym.
The injection was given into the deltoid muscle.

Adjective

of or relating to the deltoid muscle; triangular

Example:
The artist sketched the prominent deltoid shape of the shoulder.
The leaf had a distinct deltoid outline.
Synonym: