Oblique muscle (Anat.), a muscle acting in a direction oblique to the mesial plane of the body, or to the associated muscles; -- applied especially to two muscles of the eyeball.

Oblique narration. See Oblique speech.

Oblique planes (Dialing), planes which decline from the zenith, or incline toward the horizon.

Oblique sailing (Naut.), the movement of a ship when she sails upon some rhumb between the four cardinal points, making an oblique angle with the meridian.

Oblique speech (Rhet.), speech which is quoted indirectly, or in a different person from that employed by the original speaker.

Oblique sphere (Astron. & Geog.), the celestial or terrestrial sphere when its axis is oblique to the horizon of the place; or as it appears to an observer at any point on the earth except the poles and the equator.

Oblique step (Mil.), a step in marching, by which the soldier, while advancing, gradually takes ground to the right or left at an angle of about 25[deg]. It is not now practiced. --Wilhelm.

Oblique system of co["o]rdinates (Anal. Geom.), a system in which the co["o]rdinate axes are oblique to each other.

Source: Webster's Revised Unabridged Dictionary (1913)