Defn: Poison; venom; corrupt matter from a sore. [Obs.] Holland.

ATTERCOP At"ter*cop, n. Etym: [AS. attercoppa a spider; ætter poison + coppa head, cup.]

1. A spider. [Obs.]

2. A peevish, ill-natured person. [North of Eng.]

ATTERRATE At*ter*rate, v. t. Etym: [It. atterrare (cf. LL. atterrare to cast to earth); L. ad + terra earth, land.]

Defn: To fill up with alluvial earth. [Obs.] Ray.

ATTERRATION
At`ter*ra"tion, n.

Defn: The act of filling up with earth, or of forming land with alluvial earth. [Obs.]

ATTEST
At"test", v. t. [imp. & p. p. Attested; p. pr. & vb. n. Attesting.]
Etym: [L. attestari; ad + testari to bear witness: cf. F. attester.]

1. To bear witness to; to certify; to affirm to be true or genuine; as, to attest the truth of a writing, a copy of record. Facts . . . attested by particular pagan authors. Addison.