Meaning of -trix

-trix

Pronunciation: [key]
  1. a suffix occurring in loanwords from Latin, where it formed feminine nouns or adjectives corresponding to agent nouns ending in(Bellatrix). On this model,is used in English to form feminine nouns (aviatrix; executrix) and geometrical terms denoting straight lines (directrix).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.