You searched for: “more deltoid
deltoid (adjective), more deltoid, most deltoid
1. In the shape of the fourth letter of the Greek alphabet: A capitalized delta is a triangle; so, deltoid means triangular in shape or configuration.
2. The large muscle, roughly triangular in shape, that stretches from the clavicle (collarbone) to the humerus (the long bone in the upper arm) and so covers the shoulder: When a deltoid is contracted (flexed), it moves an arm away from the side of the body.

The central, strongest part of the deltoid muscle, raises an arm sideways while the front and back parts of the muscle can twist the arm.

This entry is located in the following units: delta, delt-; Δ, δ (page 2) -oid, -oidal, -oidism, -odic (page 6)