(dialectal) a wheel, especially of a wheelbarrow. / A piece of wood, etc., laid between the cords and boards of a book to flatten before cutting.

(historical) A black powder, originally made from burnt ivory, later from bone (i.e. boneblack).

Disastrous, calamitous / Disappointingly inadequate. / Causing despair; gloomy and bleak. / Depressing, dreary, cheerless.

A surname. / A city in Linn County, Missouri, United States.