Definiciones
1.NounA type of comedo, manifesting as a small whitish bump of the skin due to retention of sebum and dead skin cells in a skin pore blocked by a thin layer of epithelium."Ruth knew that the whiteheads of her teenage acne were a temporary state of affairs, but that did nothing to quell her distress when an eruption hit just before prom."
2.NounA species of passerine bird, endemic to New Zealand (Mohoua albicilla).
3.NounThe blue-winged snow goose, Anser caerulescens caerulescens.
4.NounThe surf scoter duck.
5.NounA domestic pigeon of a particular breed; a white-tailed monk.