See Also: xiphosuran(dictionary)

xiphosuran (iou)



xiphosuran noun & adjective. L19.
[from mod. Latin Xiphosura (see below), irreg. from Greek xiphos sword + oura tail: see -AN.]
Zoology.
A. noun. A chelicerate arthropod of the subclass Xiphosura, which comprises the horseshoe crabs. L19.
b. adjective. Of, pertaining to, or designating this subclass. L19.
xiphosurid noun & adjective (of or pertaining to) a xiphosuran of the family Xiphosuridae, the only family in the subclass Xiphosura M20.