Definition of exies in US English:

exies

(also aixes)

noun

English Regional, Scottish, Northern
rare
  • Originally: the disease ague (malaria). Later also (in extended use): hysterics; great excitement.

Origin

Late 16th century; earliest use found in Alexander Montgomerie (c1550–1598), poet and courtier. Originally a northern and Scots variant of access. In later use apparently apprehended as plural.