OVERSPREADING

Verb

overspreading

present participle of overspread

Noun

overspreading (plural overspreadings)

That which spreads over something else.

Source: Wiktionary

OVERSPREAD

O`ver*spread", v. t. [imp. & p. p. Overspread; p. pr. & vb. n. Overspreading.] Etym: [AS. oferspr.]

Definition: To spread over; to cover; as, the deluge overspread the earth. Chaucer. Those nations of the North Which overspread the world. Drayton.

O`ver*spread", v. i.

Definition: To be spread or scattered over.

Source: Webster’s Unabridged Dictionary 1913 Edition