"adrenal" in the noun sense
1. adrenal gland, adrenal, suprarenal gland
either of a pair of complex endocrine glands situated near the kidney
"adrenal" in the adjective sense
1. adrenal
of or pertaining to the adrenal glands or their secretions
2. adrenal
near the kidneys
Source: WordNet® (An amazing lexical database of English)
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