Definition of aggresteyne in English:

aggresteyne

(also aggrestyne)

noun

historical Sport
rare
  • A form of pruritis affecting the tails of hawks, giving rise to self-mutilation.

Origin

Late 15th century; earliest use found in The Book of St. Albans. From post-classical Latin agrus sharp, acute + teen, after post-classical Latin agrus fumus pruritus in hawks.

Pronunciation:

aggresteyne

/ˈaɡrɪstiːn/