adv. [f. prec. + -LY2.] In an equatorial direction or position.
1802. Paley, Nat. Theol., viii. It is occasionally requisite, that the object-end of the instrument be moved up and down, as well as horizontally or equatorially.
1868. Lockyer, Elem. Astron., 224. An eight-inch telescope, equatorially mounted.
1870. R. M. Ferguson, Electr., 41. Some arranged themselves axially, others equatorially.
1875. Croll, Climate & T., vi. 113. The cool and heavy water of the polar basin would flow equatorially with equal velocity.
1889. Burdon-Sanderson, in Nature, 26 Sept., 529. Suppose that the catalyzable material is accumulated equatorially.