2. The bicuspid teeth have two points.

3. A bicycle has two wheels or circles.

4. Biennial means lasting two years or occurring once in two years.

5. A bigamist is one who has been married twice, and who has two wives or two husbands at the same time.

6. The bimana are animals having two hands; as man.

7. A binomial in algebra is a quantity consisting of two terms.

8. A biped is an animal having but two feet; as man.

9. Biscuit were so called because formerly baked or cooked twice.

10. To bisect a line is to cut it into two equal parts.

11. Bivalve. Having two doors; as the clam. (Each side or shell is comparable to a door, opening and shutting on a hinge.)