spring or weight and opens automatically to permit the escape of steam, or confined gas, water, etc.,
from a boiler, or other vessel, when the pressure becomes too great for safety; also, sometimes, a similar
valve opening inward to admit air to a vessel in which the pressure is less than that of the atmosphere,
to prevent collapse.
(Saf"flow) n. (Bot.) The safflower. [Obs.]
(Saf"flow`er) n. [F. safleur, saflor, for safran, influenced by fleur flower. See Saffron, and
1. (Bot.) An annual composite plant (Carthamus tinctorius), the flowers of which are used as a dyestuff
and in making rouge; bastard, or false, saffron.
2. The dried flowers of the Carthamus tinctorius.
3. A dyestuff from these flowers. See Safranin (b).
Oil of safflower, a purgative oil expressed from the seeds of the safflower.
(Saf"fron) n. [OE. saffran, F. safran; cf. It. zafferano, Sp. azafran, Pg. açafrão; all fr.
Ar. & Per. za' faran.]
1. (Bot.) A bulbous iridaceous plant (Crocus sativus) having blue flowers with large yellow stigmas.
2. The aromatic, pungent, dried stigmas, usually with part of the stile, of the Crocus sativus. Saffron is
used in cookery, and in coloring confectionery, liquors, varnishes, etc., and was formerly much used in
3. An orange or deep yellow color, like that of the stigmas of the Crocus sativus.
Bastard saffron, Dyer's saffron. (Bot.) See Safflower. Meadow saffron (Bot.), a bulbous plant
(Colchichum autumnale) of Europe, resembling saffron. Saffron wood (Bot.), the yellowish wood
of a South African tree (Elæodendron croceum); also, the tree itself. Saffron yellow, a shade of yellow
like that obtained from the stigmas of the true saffron
(Saf"fron) a. Having the color of the stigmas of saffron flowers; deep orange-yellow; as, a saffron
face; a saffron streamer.
(Saf"fron), v. t. To give color and flavor to, as by means of saffron; to spice. [Obs.]
And in Latyn I speak a wordes few,Chaucer.
To saffron with my predication.
(Saf"fron*y) a. Having a color somewhat like saffron; yellowish. Lord
(Saf"ra*nin) n. (Chem.) (a) An orange-red dyestuff extracted from the saffron. [R.] (b) A
red dyestuff extracted from the safflower, and formerly used in dyeing wool, silk, and cotton pink and
scarlet; called also Spanish red, China lake, and carthamin. (c) An orange-red dyestuff prepared
from certain nitro compounds of creosol, and used as a substitute for the safflower dye.
(Saf"ra*nine) n. [So called because used as a substitute for safranin.] (Chem.) An orange-
red nitrogenous dyestuff produced artificially by oxidizing certain aniline derivatives, and used in dyeing
silk and wool; also, any one of the series of which safranine proper is the type.
(Sag) v. i. [imp. & p. p. Sagged ; p. pr. & vb. n. Sagging ] [Akin to Sw. sacka to settle, sink
down, LG. sacken, D. zakken. Cf. Sink, v. i.]