axillary

/ˈæksəˌlɛri/
adjective
  1. Relating to the armpit or axilla.
    • She felt a small lump in her axillary area and scheduled a doctor's appointment.
    • Axillary hair usually begins to grow during puberty.
    • The axillary lymph nodes help fight infections in the arm and chest.
Synonyms
noun
  1. A feather growing from the axilla (armpit area) of a bird.
    • The bird's axillaries were a striking shade of blue.
    • Ornithologists often examine the color of the axillaries to identify species.
    • The axillary feathers help streamline the bird's body during flight.
What does "axillary" mean? | whatsthatwordmean | whatsthatwordmean