(de Musset) Type: Term Pronunciation: mū-sā′ [dĕ-mū-sā′] Definitions: 1. rhythmic bobbing or nodding of the head in synchrony with the heartbeat in aortic regurgitation and aortic aneurysm. Synonyms: bishop's nod, de Musset sign Found on http://www.medilexicon.com/medicaldictionary.php?t=81991