Emily Dickinson Lexicon

TU'NIC, n. [Fr. tunique; L. tunica. See Town and Tun.]

1. A kind of waistcoat or under garment worn by men in ancient Rome and the east. ln the later ages of the republic, the tunic was a long garment with sleeves. – Cyc.
2. Among the religious, a woolen shirt or under garment.
3. In anatomy, a membrane that covers or composes some part or organ; as, the tunics or coats of the eye; the tunics of the stomach, or the membranous and muscular layers which compose it. – Cyc.
4. A natural covering; an integument; as, the tunic of a seed.