Anagrams of: OERCE_

• 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)

• the chief executive department of the United States government

• the 26th letter of the Roman alphabet

• a natural stream of water smaller than a river (and often a tributary of a river)

• any member of the Creek Confederacy (especially the Muskogee) formerly living in Georgia and Alabama but now chiefly in Oklahoma

• showing your contempt by derision

• laugh at with contempt and derision

• come or be in close contact with; stick or hold together and resist separation

• cause to form a united, orderly, and aesthetically consistent whole

• have internal elements or parts logically connected so that aesthetic consistency results

• echo repeatedly, echo again and again

• repeat or return an echo again or repeatedly; send (an echo) back

• repeat back like an echo