Defn: A curve of the fourth degree, invented by Pascal. Its polar equation is r = a cos + b.

LIMAILLE
Li"maille, n. Etym: [F., fr. limer to file. See Limation.]

Defn: Filings of metal. [Obs.] "An ounce . . . of silver lymaille."
Chaucer.

LIMAN
Li"man, n. Etym: [F. limon, fr. L. limus slime.]

Defn: The deposit of slime at the mouth of a river; slime.

LIMATION Li*ma"tion, n. Etym: [L. limatus, p. p. of limare to file, fr. lima file : cf. F. limation.]

Defn: The act of filing or polishing.

LIMATURE
Li"ma*ture, n. Etym: [L. limatura. See Limation.]

1. The act of filing.

2. That which is filed off; filings. Johnson.