Having down, covered with a soft fuzzy coating as of small feathers or hair.
Sharp-witted, perceptive.
Low-spirited; down in the mouth.
A blanket filled with down; a duvet.
very thin, as thin as a hair
A fishing line made from hair.
The line along one's forehead where hair starts growing.
A very thin line in writing, drawing, or typography.
A very thin fissure.