D'ecollet'e

D'ecollet'e D['e]`col`le*t['e]" (d[asl]`k[o^]l`le*t[asl]"), a. [F., p. p. of d['e]colleter to bare the neck and shoulders; d['e]- + collet collar, fr. L. collum neck.] 1. Leaving the neck and shoulders uncovered; cut low in the neck, or low-necked, as a dress. [1913 Webster]

2. Wearing a d['e]collet['e] gown. [Webster 1913 Suppl.]