SIEUR
Sieur, n. Etym: [F., abbrev. from seigneur. Cf. Monsieur, Seignior.]

Defn: Sir; — a title of respect used by the French.

SIEVA
Sie"va, n. (Bot.)

Defn: A small variety of the Lima bean (Phaseolus lunatus).

SIEVE
Sieve, n. Etym: [OE. sive, AS. sife; akin to D. zeef, zift, OHG. sib,
G. sieb. sq. root151a. Cf. Sift.]

1. A utensil for separating the finer and coarser parts of a pulverized or granulated substance from each other. It consist of a vessel, usually shallow, with the bottom perforated, or made of hair, wire, or the like, woven in meshes. "In a sieve thrown and sifted." Chaucer.

2. A kind of coarse basket. Simmonds. Sieve cells (Bot.), cribriform cells. See under Cribriform.

SIFAC
Si"fac, n. (Zoöl.)

Defn: The white indris of Madagascar. It is regarded by the natives as sacred.

SIFFLEMENT
Sif"fle*ment, n. Etym: [F., a whistling or hissing.]