Anagrams of: CEOOR_

• A groove at the ends of the staves of a barrel into which the edge of the head is fitted.

• A cooper's tool for making these grooves.

• Cousin (usually as a term of address)

• Because

• of or relating to the null set (a set with no members)

• a quantity of no importance; thing (object:), singular, negative pronoun; pronoun, thing, singular; quantifier: negative existential

• a mathematical element that when added to another number yields the same number

• the point on a scale from which positive or negative numerical quantities can be measured

• the sight setting that will cause a projectile to hit the center of the target with no wind blowing

• indicating the absence of any or all units under consideration

• having no measurable or otherwise determinable value

• indicating an initial point or origin

• adjust (an instrument or device) to zero value

• adjust (as by firing under test conditions) the zero of (a gun)

• any thick, viscous matter

• the process of seeping

• pass gradually or leak through or as if through small openings

• release (a liquid) in drops or small quantities

• pasta shaped like pearls of barley; frequently prepared with lamb in Greek cuisine

• the facility where wild animals are housed for exhibition

• a utensil for cooking

• someone who has committed a crime or has been legally convicted of a crime

• a circular segment of a curve

• a long staff with one end being hook shaped

• bend or cause to bend

• Interest on money; usury; increase.

• A boorish or uncultivated Australian.

• To increase (in price); add to.

• Pertaining to an ocker.