'tricyclic antidepressant' definitions:
Definition of 'tricyclic antidepressant'
(from WordNet)
noun
An antidepressant drug that acts by blocking the reuptake of norepinephrine and serotonin and thus making more of those substances available to act on receptors in the brain [syn: tricyclic, tricyclic antidepressant, tricyclic antidepressant drug]