\D['e]`col`le*t['e]"\, a. [F., p. p. of
d['e]colleter to bare the neck and shoulders; d['e]- + collet
collar, fr. L. collum neck.]
Leaving the neck and shoulders uncovered; cut low in the
neck, or low-necked, as a dress.

\D['e]`col`le*t['e]"\ (d[asl]`k[o^]l`le*t[asl]"), a.
Wearing a d['e]collet['e] gown.