stria

Noun

WordNet 3.0

Noun (2)

any of a number of tiny parallel grooves such as: the scratches left by a glacier on rocks or the streaks or ridges in muscle tissueSynonyms: striation
a stripe or stripes of contrasting color“chromosomes exhibit characteristic bands”“the black and yellow banding of bees and wasps”Synonyms: band banding striation

Webster's Dictionary (GCIDE)

Stria \Stri"a\, n.; pl. Striae. [L., a furrow, channel, hollow.]

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. [1913 Webster]

2.(Arch.) A fillet between the flutes of columns, pilasters, or the like. --Oxf. Gloss. [1913 Webster]