Noting limestone, sandstone, or shale rocks from which minerals have been dissolved leaving round holes or cavities which give the rock the appearance of having been worm-eaten.Like a worm in form or movement; vermiform; tortuous or sinuous; also, writhing or wriggling.Like the track or trace of a worm; appearing as if worm-eaten; vermiculate: as, vermicular erosions.Marked with fine, close-set, wavy or tortuous lines of color; vermiculated.In botany, shaped like a worm; thick, and almost cylindrical, but bent in different places, as some rootsA form of rusticated masonry which is so wrought as to appear thickly indented with worm-tracks. See rustic work, under rustic.