The act of binding oneself by a social, legal, or moral tie to someone.

Someone who plays an oboe.

(Roman Catholicism) A person dedicated to a life of religion or monasticism, especially a member of an order without religious vows or a lay member of a religious community.

Flattened or depressed at the poles.

To offer as either a gift or an oblation.

(geometry) A line that, meeting or tending to meet another, makes oblique angles with it.

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

(military) Fire whose direction is not perpendicular to the line fired at.

a skew bridge

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