Noah Webster's New International Dictionary of the English Language

1. (n.) A pool or lake.

2. (n.) A boundary.

3. (v. t.) To divide, limit, or bound.

4. (n.) A mare.

5. (Superl.) Unmixed; pure; entire; absolute; unqualified.

6. (Superl.) Only this, and nothing else; such, and no more; simple; bare; as, a mere boy; a mere form.

7. (n.) A combining form meaning part, portion; as, blastomere, epimere.