STRIA

noun a fillet between the flutes of columns, pilasters, or the like.

2. stria ·noun 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.