2. (n.) Adherence; steady or firm attachment; fidelity; as, adhesion to error, to a policy.
3. (n.) Agreement to adhere; concurrence; assent.
4. (n.) The molecular attraction exerted between bodies in contact. See Cohesion.
5. (n.) Union of surface, normally separate, by the formation of new tissue resulting from an inflammatory process.
6. (n.) The union of parts which are separate in other plants, or in younger states of the same plant.