pseudoscorpiones

from The Century Dictionary.

• An order of tracheate arachnidans, with segmented abdomen not distinctly separated from the cephalothorax, didactyl or chelate maxillary palps, two or four eyes, and no postabdomen nor poison-glands; the false scorpions, of the families Cheliferidæ and Obisiidæ. Also called Cheliferidea. Also Pseudoscorpionina, and as a family Pseudoscorpionidæ.

from the GNU version of the Collaborative International Dictionary of English.

• noun plural (Zoöl.) An order of Arachnoidea having the palpi terminated by large claws, as in the scorpions, but destitute of a caudal sting; the false scorpions. Called also Pseudoscorpii, and Pseudoscorpionina. See Illust. of Book scorpion, under Book.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun false scorpions