English

Adjective

deltoideus ‎(comparative more deltoideus, superlative most deltoideus)

1. Like a triangle, triangular.

Noun

deltoideus ‎(plural deltoidei)

1. Short for deltoideus muscle much as deltoid is used as short for deltoid muscle.

Derived terms

• deltoid, deltoids
• delt, delts

References

• Encylopedia Brittanica

Latin

Adjective

deltoideus m ‎(feminine deltoidea, neuter deltoideum); first/second declension

1. (New Latin) deltoid; triangular

Inflection

First/second declension.