Defn: A South African burrowing mammal (Suricata tetradactyla), allied to the civets. It is grayish brown, with yellowish transverse stripes on the back. Called also suricat.

ZENIK
Ze"nik, n. (Zoöl.)

Defn: See Zenick.

ZENITH Ze"nith, n. Etym: [OE. senyth, OF. cenith, F. zénith, Sp. zenit, cenit, abbrev. fr. Ar. samt-urras way of the head, vertical place; samt way, path + al the + ras head. Cf. Azimuth.]

1. That point in the visible celestial hemisphere which is vertical to the spectator; the point of the heavens directly overhead; — opposed to nadir. From morn To noon he fell, from noon to dewy eve, A summer's day; and with the setting sun Dropped from the zenith, like a falling star. Milton.

2. hence, figuratively, the point of culmination; the greatest height; the height of success or prosperity. I find my zenith doth depend upon A most auspicious star. Shak. This dead of midnight is the noon of thought, And wisdom mounts her zenith with the stars. Mrs. Barbauld. It was during those civil troubles . . . this aspiring family reached the zenith. Macaulay. Zenith distance. (Astron.) See under Distance. — Zenith sector. (Astron.) See Sector, 3. — Zenith telescope (Geodesy), a telescope specially designed for determining the latitude by means of any two stars which pass the meridian about the same time, and at nearly equal distances from the zenith, but on opposite sides of it. It turns both on a vertical and a horizontal axis, is provided with a graduated vertical semicircle, and a level for setting it to a given zenith distance, and with a micrometer for measuring the difference of the zenith distances of the two stars.

ZENITHAL
Ze"nith*al, a.

Defn: Of or pertaining to the zenith. "The deep zenithal blue."
Tyndall.

ZEOLITE
Ze"o*lite, n. Etym: [Gr. -lite: cf. F. zéolithe.] (Min.)

Defn: A term now used to designate any one of a family of minerals, hydrous silicates of alumina, with lime, soda, potash, or rarely baryta. Here are included natrolite, stilbite, analcime, chabazite, thomsonite, heulandite, and others. These species occur of secondary origin in the cavities of amygdaloid, basalt, and lava, also, less frequently, in granite and gneiss. So called because many of these species intumesce before the blowpipe. Needle zeolite, needlestone; natrolite.