3. A deposit from water, as on the inside of a boiler; also, the
operation of cleaning away this deposit.
Fur"row (?), n. [OE. forow, forgh, furgh, AS. furh; akin to D. voor,
OHG. furuh, G. furche, Dan. fure, Sw. f&?;ra, Icel. for drain, L. porca
ridge between two furrows.] 1. A trench in the earth made by, or as by,
a plow.
2. Any trench, channel, or groove, as in wood or metal; a wrinkle on
the face; as, the furrows of age.
Farrow weed a weed which grows on plowed land. Shak. -- To draw a
straight furrow, to live correctly; not to deviate from the right line
of duty. Lowell.
Fur"row, v. t. [imp. & p. p. Furrowed (?); p. pr. & vb. n. Furrowing.]
[From Furrow, n.; cf. AS. fyrian.] 1. To cut a furrow in; to make
furrows in; to plow; as, to furrow the ground or sea. Shak.