Webster's 1828 Dictionary
CLARENCEUX, CLARENCIEUX
n.In Great Britain, the second king at arms, so called from the duke of Clarence, and appointed by Edward IV. His office is to marshal and dispose the funerals of all baronets, knights and esquires, on the south of the river Trent.
Webster's 1913 Dictionary
CLARENCEUX; CLARENCIEUX
CLARENCEUX; CLARENCIEUX Clar "en *ceux, Clar "en *cieux, n. (Her. )
Defn: See King-at-arms.
New American Oxford Dictionary
Clarenceux
Clarenceux |ˈklar (ə )nsuː | ▶noun Heraldry (in the UK ) the title given to the second King of Arms, with jurisdiction south of the Trent. See King of Arms. ORIGIN Middle English: from Anglo-Norman French, named after the dukedom of Clarence created for the second son of Edward II, married to the heiress of Clare in Suffolk.
Oxford Dictionary
Clarenceux
Clarenceux |ˈklar (ə )nsuː | ▶noun Heraldry (in the UK ) the title given to the second King of Arms, with jurisdiction south of the Trent. See King of Arms. ORIGIN Middle English: from Anglo-Norman French, named after the dukedom of Clarence created for the second son of Edward II, married to the heiress of Clare in Suffolk.