01 n. A minute groove, or channel; a threadlike line, as of color; a narrow structural band or line; a striation; as, the striae, or groovings, p…
pl.
Striae ((#))
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1.
A minute groove, or channel; a threadlike line, as of color; a narrow structural band or line; a striation; as, the striae, or groovings, produced on a rock by a glacier passing over it; the striae on the surface of a shell; a stria of nervous matter in the brain.
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2.
A fillet between the flutes of columns, pilasters, or the like.(Arch.)