gériatrecommon nounSyllable DecompositiongériatreEtymologyexpandFrom Greek γέρων, gerôn, "old man" (itself from Proto-Indo-European *gerə-, "to grow old"), and ἰατρός, iatros, "doctor".Definition1. A physician specialized in geriatrics, dedicated to the health of elderly people and its impairments.expandPluralgériatresSee alsogériatres (cn.)