| Word | Definitions | Synonyms |
|---|---|---|
| delta | (noun) the 4th letter of the Greek alphabet | - |
| (noun) a low triangular area of alluvial deposits where a river divides before entering a larger body of water | - | |
| (noun) an object shaped like an equilateral triangle | - | |
| deltoid | (adjective) triangular or suggesting a capital delta, with a point at the apex | - |
| (noun) a large triangular muscle covering the shoulder joint and serving to abduct and flex and extend and rotate the arm | Synonyms: deltoid muscle, musculus deltoideus |