- The segment of the upper limb between the shoulder and the elbow.
- An anatomic extension resembling an arm.
- A specifically shaped and positioned extension of a removable partial denture framework.
- One set of cases or participants in an epidemiologic study, especially a randomized controlled trial, in which comparisons or contrasts are being made between sets.
- Colloquially, the entire upper limb.
Synonym(s): brachio-, brachium1
[L. armus, forequarter of an animal; G. harmos, a shoulder joint]