quirk bead
         n 1: beading formed with a narrow groove separating it from the
               surface it decorates [syn: {quirk bead}, {bead and quirk}]

English Dictionary: quirk bead	by the DICT Development Group
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Grasp \Grasp\, v. t. [imp. & p. p. {Grasper}; p. pr. & vb. n.       {Qraspine}.] [OE. graspen; prob. akin to LG. grupsen, or to       E. grope. Cf. {Grab}, {Grope}.]       1. To seize and hold by clasping or embracing with the             fingers or arms; to catch to take possession of.                         Thy hand is made to grasp a palmer's staff. --Shak.          2. To lay hold of with the mind; to become thoroughly             acquainted or conversant with; to comprehend.
From The Free On-line Dictionary of Computing (15Feb98) [foldoc]:
query expansion          Adding {search terms} to a user's       search.   Query expansion is the process of a {search engine}       adding {search terms} to a user's {weighted search}.   The       intent is to improve {precision} and/or {recall}.   The       additional terms may be taken from a {thesaurus}.   For example       a search for "car" may be expanded to: car cars auto autos       automobile automobiles.          The additional terms may also be taken from documents       that the user has specified as being relevant; this is the       basis for the "more like this" feature of some search engines.          The extra terms can have positive or negative weights.          (1999-08-27)