Definition of hamulus in US English:

hamulus

noun

Zoology Anatomy
  • A small hook or hooklike projection, especially one of a number linking the fore- and hind wings of a bee or wasp.

    • ‘An enlarged hamulus may articulate with the maxillary process of the zygomatic bone.’
    • ‘The tensor palatini muscle joins this muscular sling as it sweeps around the hamulus, a bony prominence of the lateral palate.’
    • ‘It arises from the ulna, on its medial or volar surface, and is inserted onto the pisiform bone, the hamulus, the proximal end of the fifth metacarpal, the capsule of carpal articulations, or abductor digiti quinti.’
    • ‘The maxillary process may articulate with the lacrimal hamulus.’
    • ‘It curves laterally at its distal end into a hook-like process, the pterygoid hamulus, around which the tendon of the Tensor veli palatini glides.’

Origin

Early 18th century: from Latin, diminutive of hamus ‘hook’.

Pronunciation

hamulus

/ˈhamyələs/