An organic structure, presenting a slender and hair-like appearance; a hair-like fibre, filament; one of the ultimate ramifications of the root…

Botany. A long, slender, soft hair.

Delicate hairs resembling eyelashes, esp. such as form a fringe on the margins of leaves, the wings of some insects, etc.

(a) A villous formation or surface. (b) A villus.

Transferred senses. A thread or filament in animal or vegetable structure.

Any of the tiny finger-like projections from the surface of many types of epithelial cell, usually serving to increase surface area for absorption or…