What is the meaning of Fairing?

A gift or other souvenir bought at a fair.

A present, especially given by a lover.

Something that is deserved; one's deserts.

A type of small gingerbread biscuit; a ginger nut.

present participle and gerund of fair

A covering on various parts of a vehicle, for example an aircraft, automobile, or motorcycle, that streamlines it (i.e., produces a smooth exterior and reduces drag).

Source: wiktionary.org