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Formed in columns; having the form of a column or columns; like the shaft of a column. Columnar epithelium (Anat.), epithelium in which the cells are priismatic in form, and set upright on the surface they cover. -- Columnar structure (Geol.), a structure consisting of more or less regular columns, usually six-sided,…

The state or quality of being columnar.

Between columns or pillars; as, the intercolumnar fibers of Poupart's ligament; an intercolumnar statue.

Like a semicolumn; flat on one side and round on the other; imperfectly columnar.

Having an imperfect or interrupted columnar structure.

A bright green variety of amphibole occurring usually in fibrous or columnar masses.

in composition. It occurs in monoclinic crystals; also massive, generally with fibrous or columnar structure. The color varies from white to gray, green, brown, and black. It is a silicate of magnesium and calcium, with usually aluminium and iron. Some common varieties are tremolite, actinolite, asbestus, edenite, horn…

In the form of basalt; columnar.

A columnar cactaceous plant of the West Indies (Cereus Swartzii).

A mineral, commonly of a yellowish green (pistachio) color, occurring granular, massive, columnar, and in monoclinic crystals. It is a silicate of alumina, lime, and oxide of iron, or manganese.

A silicate of alumina, of fibrous or columnar structure. It is like andalusite in composition; -- called also sillimanite, and bucholizite.

A mineral of brownish black color, occurring in columnar or foliated masses. It is native manganese tungstate.

A silicate of iron and lime occurring in black prismatic crystals and columnar masses.

One of the more or less columnar cells on the outer surface of the pulp of a tooth; an odontoplast. They are supposed to be connected with the formation of dentine.

The Tillandsia usneoides. See Tillandsia. -- Old man's head (Bot.), a columnar cactus (Pilocereus senilis), native of Mexico, covered towards the top with long white hairs. -- Old red sandstone (Geol.), a series of red sandstone rocks situated below the rocks of the Carboniferous age and comprising various strata of…

A massive subcolumnar variety of topaz.

A column, an obelisk, or other spire-shaped or columnar monument. Bid time and nature gently spare The shaft we raise to thee. Emerson.

Resembling, or used as, a stela; columnar. [R.]

some size or magnificence; an edifice. There stands a structure of majestic frame. Pope. Columnar structure. See under Columnar.

Cylindrical and slightly tapering; columnar, as some stems of plants.