Etymology
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stria (n.)

plural striae, "narrow stripe, groove," 1560s, from Latin stria "a furrow, flute of a column" (see striate).

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Definitions of stria

stria (n.)
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 tissue;
Synonyms: striation
stria (n.)
a stripe or stripes of contrasting color;
Synonyms: band / banding / striation
From wordnet.princeton.edu