Entry 1 sense Webster, 1913 adrenocorticotropin · IPA 01 n. a growth hormone produced by the anterior pituitary gland; it stimulates the adrenal cortex. 1. a growth hormone produced by the anterior pituitary gland; it stimulates the adrenal cortex. Syn. adrenocorticotropic hormone, adrenocorticotrophic hormone, adrenocorticotrophin, corticotropin, corticotrophin, ACTH