wheel tread
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wheel tread — The distance between the center of the port and the starboard undercarriage contact points … Aviation dictionary
tread — the peripheral portion of the tire, the exterior of which is designed to contact the road surface. wheel tread … Mechanics glossary
tread-wheel — tread mill, or tread wheel An instrument of prison discipline, being a wheel or cylinder with an horizontal axis, having steps attached to it, up which the prisoners walk, and thus put the axis in motion. The men hold on by a fixed rail, and, as… … Black's law dictionary
tread-mill — tread mill, or tread wheel An instrument of prison discipline, being a wheel or cylinder with an horizontal axis, having steps attached to it, up which the prisoners walk, and thus put the axis in motion. The men hold on by a fixed rail, and, as… … Black's law dictionary
tread — [tred] vt. TROD or (in tread water: see phr. below) treaded, trodden or trod or (in tread water) treaded, treading, trod [ME treden < OE tredan, akin to Ger treten < IE * dreu < base * drā, to run, step > TRAP1] 1. to walk on, in,… … English World dictionary
Tread — Tread, n. 1. A step or stepping; pressure with the foot; a footstep; as, a nimble tread; a cautious tread. [1913 Webster] She is coming, my own, my sweet; Were it ever so airy a tread, My heart would hear her and beat. Tennyson. [1913 Webster] 2 … The Collaborative International Dictionary of English
tread|mill — «TREHD MIHL», noun. 1. an apparatus to turn something by having a person or animal walk on the moving steps of a wheel or of a sloping, endless belt. 2. Figurative. any wearisome or monotonous round of work or life: »a kind of mental treadmill,… … Useful english dictionary
tread — v. & n. v. (trod; trodden or trod) 1 intr. (often foll. by on) a set down one s foot; walk or step (do not tread on the grass; trod on a snail). b (of the foot) be set down. 2 tr. a walk on. b (often foll. by down) press or crush with the feet. 3 … Useful english dictionary
tread — {{Roman}}I.{{/Roman}} noun 1 sound you make when you are walking ADJECTIVE ▪ heavy ▪ I heard his heavy tread moving about upstairs. ▪ light, soft ▪ measured, slow … Collocations dictionary
tread — treader, n. /tred/, v., trod, trodden or trod, treading, n. v.i. 1. to set down the foot or feet in walking; step; walk. 2. to step, walk, or trample so as to press, crush, or injure something (usually fol. by on or upon): to tread on a person s… … Universalium
