Definition of "equestrienne" [e•ques•tri•enne]

• A woman who rides a horse or performs on horseback. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Nor could he fail, as she crossed the floor, to see two women: one, the grand lady, the mistress of the Big House; one, the lovely equestrienne statue beneath the dull-blue, golden-trimmed gown, that no gowning could ever make his memory forget."
• "They would not be the only royals to serve in the regiment; their aunt, Princess Anne, was an accomplished equestrienne who already held the rank of colonel in the Blues and Royals."
• "Neither the daughter of ex-CNN commentator Lou Dobbs nor her fellow celeb-equestrienne Georgina Bloomberg (daughter of N.Y.C. Mayor Mike) placed in the big-money ranks of Thursday night's $30,000 open jumper class at Verizon Center, reports our colleague T. Rees Shapiro."