humerus

UK: /ˈhjuːmərəs/

US: /ˈhjumərəs/

US: (hyo̅o̅′mər əs or, often, yo̅o̅′-)

Inflections of 'humerus' (n): npl: humeri

WordReference Random House Learner's Dictionary of American English © 2025

hu•mer•us /ˈhyumərəs/   n. [countable] , pl. -mer•i 

/-məˌraɪ/.  
1. Anatomy the long upper bone extending from the shoulder to the elbow.

hu•mer•al, adj. 

WordReference Random House Unabridged Dictionary of American English © 2025

hu•mer•us  (hyo̅o̅′mər əs or, often, yo̅o̅′-), n., pl. -mer•i (-mə rī′). [Anat.]

1. Anatomy the long bone in the arm of humans extending from the shoulder to the elbow. See diagrams under shoulder, skeleton. 
2. Anatomy, Zoology brachium.
3. [Zool.] a corresponding bone, structure, or region in the forelimbs of other animals or in the wings of birds or insects.

• Latin (h)umerus shoulder; cognate with Greek ômos, Gothic ams, Sanskrit ámsas
• Middle English 1350–1400

Collins Concise English Dictionary © HarperCollins Publishers::

humerus / ˈhjuːmərəs/ noun ( -meri / -məˌraɪ/)

1. the bone that extends from the shoulder to the elbow
2. the corresponding bone in other vertebrates

Etymology: 17th Century: from Latin umerus; related to Gothic ams shoulder, Greek ōmos