THREAD n.
Fig.: Composition; quality; fineness. [Obs.] A neat courtier, Of a most elegant thread. B. Jonson. Air thread, the fine white filaments which are seen floating in the air in summer, the production of spiders; gossamer. -- Thread and thrum, the good and bad together. [Obs.] Shak. -- Thread cell (Zoöl.), a lasso cell.…
THYSANURA n.
An order of wingless hexapod insects which have setiform caudal appendages, either bent beneath the body to form a spring, or projecting as bristles. It comprises the Cinura, or bristletails, and the Collembola, or springtails. Called also Thysanoura. See Lepisma, and Podura.
TOWER n.
r. See under Shot. -- Tower bastion (Fort.), a bastion of masonry, often with chambers beneath, built at an angle of the interior polygon of some works. -- Tower mustard (Bot.), the cruciferous plant Arabis perfoliata. -- Tower of London, a collection of buildings in the eastern part of London, formerly containing a…
TRACE v.
To mark out; to draw or delineate with marks; especially, to copy, as a drawing or engraving, by following the lines and marking them on a sheet superimposed, through which they appear; as, to trace a figure or an outline; a traced drawing. Some faintly traced features or outline of the mother and the child, slowly lad…