The American Heritage® Dictionary of the English Language, 4th Edition
n. Any of various small, often wingless insects of the order Psocoptera (or Corrodentia), some species of which feed on stored flour products, paper, or bookbindings.
n. Any of the small insects who feed on bookbindings, especially those of the order Psocoptera.
the GNU version of the Collaborative International Dictionary of English
n. one of several species of minute, wingless insects injurious to books and papers. They belong to the Pseudoneuroptera.
n. a minute wingless psocopterous insect (Liposcelis divinatorius) injurious to books and papers.
The Century Dictionary and Cyclopedia
n. A minute neuropterous insect of the family Psocidæ, distinguished by having the tarsi composed of only two or three joints, and the posterior wings smaller than the anterior.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. minute wingless psocopterous insects injurious to books and papers
n. minute wingless psocopterous insects injurious to books and papers