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 (to͞o′nĭ-kə, tyo͞o′-)
n. pl. tu·ni·cae (-kē′, -sē′)
An enclosing membrane or layer of tissue.

[Latin, tunic; see tunic.]


1. (Anatomy) anatomy tissue forming a layer or covering of an organ or part, such as any of the tissue layers of a blood vessel wall
2. (Botany) botany the outer layer or layers of cells of the meristem at a shoot tip, which produces the epidermis and cells beneath it. Compare corpus4
[C17: from Latin tunica tunic]


(ˈtu nɪk, ˈtyu-)

1. a coat worn as part of a military or other uniform.
2. a gownlike outer garment worn by the ancient Greeks and Romans.
a. a woman's straight, usu. sleeveless upper garment, loose or fitted, extending to the hips or below.
b. Also called tu′nic dress`. any of various dresses styled like this or incorporating this as one element.
4. tunicle.
5. a covering membrane, layer, or integument over an organ or part.
[1600–10; (< French tunique) < Latin tunica]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.tunica - an enveloping or covering membrane or layer of body tissuetunica - an enveloping or covering membrane or layer of body tissue
tissue layer, membrane - a pliable sheet of tissue that covers or lines or connects the organs or cells of animals or plants
albuginea - whitish tunic
References in classic literature ?
15} [Greek] "The [Greek], or tunica, was a shirt or shift, and served as the chief under garment of the Greeks and Romans, whether men or women.
My brief glance, in fact, had sufficed to assure me that the orbs which we had all supposed to be glass, and which were originally noticeable for a certain wild stare, were now so far covered by the lids, that only a small portion of the tunica albuginea remained visible.
10 Hollywood Casino Tunica Penn National Gaming Inc.
Histometric analysis: After slide preparation, the thickness of four layers: tunica mucosa (epithelium, lamina propria, lamina muscularis), tunica submucosa, tunica muscularis and tunica adventitia/serosa of all the digestive organs was measured in um with the help of automated image analysis system Image JA(r) version 1.
M2 EQUITYBITES-March 30, 2017-Gaming and Leisure Properties Acquires Real Estate Assets of Bally's Casino Tunica and Resorts Casino Tunica for USD 82.
Notes: A Pre-Bid Conference will be conducted at Rosa Fort High School, 1100 Rosa Fort Drive, Tunica, MS 38676 beginning at 10:00 AM on 06 April 2016.
TUNICA, Mississippi (AP) -- Morgan Freeman says he was aboard his plane when it had to make an unexpected landing in Mississippi, but nobody was injured.
AIM OF THE STUDY: To assess efficacy of tunica vaginalis flap as an interposing layer in reoperative hypospadias.
They frequently involve the tunica vaginalis, with rarer cases arising from the tunica albuginea, epididymis and spermatic cord.
05 [micro]m), thin, and moniliform Tps; TCs distributed in the whole connective tissue layer of tunica adventitia: TCs in the innermost layer of tunica adventitia, located at the juncture between media and adventitia, with their long axes oriented parallel to the outer elastic membrane; and TCs in outer layers of tunica adventitia, were embedded among transverse and longitudinal oriented collagen fibers, forming a highly complex three-dimensional meshwork.
Ann Clark Gannaway and Chester Warren Masterson III were united in holy matrimony in a candlelight service at six o'clock in the evening on Saturday, December 14, 2013, at Tunica Presbyterian Church in Tunica.