/bon"ding/ , n.
1. Psychol. , Animal Behav.
a. a relationship that usually begins at the time of birth between a parent and offspring and that establishes the basis for an ongoing mutual attachment.
b. the establishment of a pair bond.
2. a close friendship that develops between adults, often as a result of intense experiences, as those shared in military combat.
3. Dentistry. a technique or procedure for restoring the discolored or damaged surface of a tooth by coating it with a highly durable resinous material that adheres to the existing enamel.
[ 1670-80, for earlier sense; BOND 1 + -ING 1 ]