(projection) a circle whose plane is oblique to the axis of the primitive plane

(architecture) An arch whose span is not at right angles to the face.

(astronomy, geography) 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.

A plane which declines from the zenith, or inclines toward the horizon.

(anatomy) 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.

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

(fortifications) that part of the curtain whence the fire of the opposite bastion may be discovered.

(grammar) Any noun case except the nominative case (and sometimes the vocative case), where the noun is the object of a verb or the object of a preposition.

Synonym of oblique speech

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