deltoid
pronunciation
How to pronounce deltoid in British English:
UK ['deltɔɪd]
How to pronounce deltoid in American English:
US ['deltɔɪd]
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- Noun:
- a large triangular muscle covering the shoulder joint and serving to abduct and flex and extend and rotate the arm
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- Adjective:
- of a leaf shape; suggesting a capital delta, with a point at the apex
Word Origin
- deltoid (adj.)
- 1741, in deltoid muscle, so called for its shape, from Greek deltoeides "triangular," literally "shaped like the letter delta;" see delta + -oid.
Example
- 1. The anterior deltoid raises the arm to the front .
- 2. Is that a deltoid or a rhomboid ?
- 3. Three decades later , another team recorded electrical activity in deltoid muscles as people walked .
- 4. Of or relating to the deltoid .
- 5. The posterior deltoid draws the arm backwards .