A flock or tuft of wool or wool-like hairs; the downy plumage of unfledged birds.
A cloud species which consists of rounded tufts of cloud, often formed by dissipation from larger cloud species. Associated with cirrus, cirrocumulus, altocumulus, and stratocumulus genera.
Any of several birds having a white patch on the head
A wave having a white crest; a breaker
A member of a self-appointed vigilante committee that carried out lynchings. Some early ones wore white hoods or masks.