■ noun
1》 a loose sleeveless garment reaching to the thigh or knees.
↘a gymslip.
2》 a close-fitting short coat worn as part of a uniform.
3》 Biology & Anatomy an integument or membrane enclosing or lining an organ or participle
↘ Botany any of the concentric layers of a plant bulb, e.g. an onion.
Origin
OE, from OFr. tunique or L. ~a .