zone, zona

(noun) (anatomy) any encircling or beltlike structure

Source: WordNet® 3.1

Etymology 1


zona (plural zonas or zonae or zonæ)

(science) A zone or band; a layer.

Etymology 2


zona (plural zonas)

A species of silverside fish (Atheriniformes), Bedotia geayi, from Madagascar, also called red-tailed silverside.


• -zoan, Azon, onza

Proper noun

Zona (plural Zonas)

A surname.

A female given name.

An unincorporated community in Roane County, West Virginia.


• According to the 2010 United States Census, Zona is the 19062nd most common surname in the United States, belonging to 1428 individuals. Zona is most common among White (95.73%) individuals.


• -zoan, Azon, onza

Source: Wiktionary

Zo"na, n.; pl. Zonæ. Etym: [L., a girdle. See Zone.]

Definition: A zone or band; a layer. Zona pellucida. Etym: [NL.] (Biol.) (a) The outer transparent layer, or envelope, of the ovum. It is a more or less elastic membrane with radiating striæ, and corresponds to the cell wall of an ordinary cell. See Ovum, and Illust. of Microscope. (b) The zona radiata.

– Zona radiata Etym: [NL.] (Biol.), a radiately striated membrane situated next the yolk of an ovum, or separated from it by a very delicate membrane only.

Source: Webster’s Unabridged Dictionary 1913 Edition


Word of the Day

4 February 2023


(adverb) without bloodshed; in a bloodless manner; without shedding blood; “the coup disposed of the dictator bloodlessly”

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Coffee Trivia

According to Guinness World Records, the largest coffee shop is the Al Masaa Café, which has 1,050 seats. The coffee shop was inaugurated in Riyadh, Saudi Arabia, on 13 August 2014.

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