- any of several small arachnids of the order Chelonethida that resemble a tailless scorpion and that feed chiefly on small insects.
Origin of pseudoscorpion
Also called book scorpion.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for pseudoscorpion
A fly (Musca domestica) lit on the pane and the pseudoscorpion caught its legs and clung while the fly crawled about.
Professor Hilton recently sent me a pseudoscorpion taken on the beach near water, which proves to belong to the genus Atemnus.