Osier \O\"sier\, n. (F. osier: cf. Prov. F. oisis, Armor. ozil, aozil, Gr. ?, ?, ?, L. vitex, and E. withy.) (Bot.)

(a) A kind of willow (Salix viminalis) growing in wet places in Europe and Asia, and introduced into North America.
It is considered the best of the willows for basket work. The name is sometimes given to any kind of willow.
(b) One of the long, pliable twigs of this plant, or of other similar plants.
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The rank of osiers by the murmuring stream. - Shak
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Osier bed, or Osier holt, a place where willows are grown for basket making. (Eng.)

Spiral \Spi"ral\, a. (Cf. F. spiral. See Spire a winding line.)
1. Winding or circling round a center or pole and gradually receding from it; as, the spiral curve of a watch spring.
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2. Winding round a cylinder or imaginary axis, and at the same time rising or advancing forward; winding like the thread of a screw; helical.
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3. (Geom.) Of or pertaining to a spiral; like a spiral.
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