The Collaborative International Dictionary
Armgaunt
Armgaunt \Arm"gaunt`\, a.
With gaunt or slender legs. (?) ``An armgaunt steed.''
--Shak.
Note: This word is peculiar to Shakespeare. Its meaning has not yet been satisfactorily explained.
Wiktionary
armgaunt
a. (context nonce obsolete English) (non-gloss definition: Of uncertain meaning; perhaps describing gaunt or slender legs.)
Usage examples of "armgaunt".
Quixote comes, in battered mail, Armgaunt, with eyes of some keen haggard hawk Far from his eyrie.