'lavallier' definitions:

Definition of 'lavallier'

From: GCIDE

lavaliere \la`va`liere"\, lavallier \la`val`lier"\, or La valliere \La val`liere"\, n. [after the Duchesse de La Valliere, a mistress of Louis XI. --RHUD.] A neck ornament consisting of a chain and single jewelled pendant, or drop; also, the pendant itself. [Webster 1913 Suppl. +PJC]