subaxillary
/ˌsʌbakˈsɪl(ə)ri/adjective
1 Zoology and Anatomy. Situated beneath the axilla.
- In Ornithology : = axillary..
2 Botany. Arising from or situated beneath an axil.
Origin
Late 17th century; earliest use found in William Salmon (1644–1713), medical empiric and author. From post-classical Latin subaxillaris from sub- + axillaris; compare -ary.