SEID
Seid, n. Etym: [Ar seyid prince.]
Defn: A descendant of Mohammed through his daughter Fatima and nephew
Ali.
SEIDLITZ
Seid"litz, a.
Defn: Of or pertaining to Seidlitz, a village in Bohemia. [Written also Sedlitz.] Seidlitz powders, effervescing salts, consisting of two separate powders, one of which contains forty grains of sodium bicarbonate mixed with two drachms of RochellRochelle powders. — Seidlitz water, a natural water from Seidlitz, containing magnesium, sodium, calcium, and potassium sulphates, with calcium carbonate and a little magnesium chloride. It is used as an aperient.
SEIGH
Seigh,
Defn: obs. imp. sing. of See. Saw. Chaucer.
SEIGNEURIAL
Seign*eu"ri*al, a. Etym: [F., fr. seigneur. See Seignior.]
1. Of or pertaining to the lord of a manor; manorial. Sir W. Temple.
2. Vested with large powers; independent.
SEIGNIOR Seign"ior, n. Etym: [OF. seignor, F. seigneur, cf. It. signore, Sp. señor from an objective case of L. senier elder. See Senior.]