Definition of "aver" in English

verb

1. (ambitransitive) To assert the truth of (something); to affirm (something) with confidence; to declare (something) in a positive manner.

2. (ambitransitive, law) To justify or prove (an allegation or plea that one has made).

3. (transitive, obsolete) To avouch, prove, or verify the existence or happening of (something), or to offer to do so.

noun

1. (British, dialectal, archaic) A beast of burden; chiefly a workhorse, but also a working ox or other animal.

2. (Northern England, Scotland, dialectal, archaic) An old, useless horse; a nag.