Sin"gult (?), n.[L. singultus.] A sigh or sobbing; also, a hiccough.
[Obs.] Spenser. W. Browne.
Sin*gul"tous (?), a. (Med.) Relating to, or affected with, hiccough.
Dunglison.
||Sin*gul"tus (?), n. [L.] (Med.) Hiccough.
Sin"i*cal (?), a. [From Sine.] (Trig.) Of or pertaining to a sine;
employing, or founded upon, sines; as, a sinical quadrant.
Sin"i*grin (?), n. [From NL. Sinapis nigra.] (Chem.) A glucoside found
in the seeds of black mustard (Brassica nigra, formerly Sinapis nigra)
It resembles sinalbin, and consists of a potassium salt of myronic
acid.
Sin"is*ter (sn"s*tr; 277), a. [Accented on the middle syllable by the
older poets, as Shakespeare, Milton, Dryden.] [L. sinister: cf. F.
sinistre.] 1. On the left hand, or the side of the left hand; left; --
opposed to dexter, or right. "Here on his sinister cheek." Shak.
My mother's blood Runs on the dexter cheek, and this sinister
Bounds in my father's
Shak.
In heraldy the sinister side of an escutcheon is the side which would
be on the left of the bearer of the shield, and opposite the right hand
of the beholder.
2. Unlucky; inauspicious; disastrous; injurious; evil; -- the left
being usually regarded as the unlucky side; as, sinister influences.
All the several ills that visit earth, Brought forth by night, with
a sinister birth.
B. Jonson.
3. Wrong, as springing from indirection or obliquity; perverse;
dishonest; corrupt; as, sinister aims.
Nimble and sinister tricks and shifts.
Bacon.
He scorns to undermine another's interest by any sinister or
inferior arts.
South.
He read in their looks . . . sinister intentions directed
particularly toward himself.
Sir W. Scott.
4. Indicative of lurking evil or harm; boding covert danger; as, a
sinister countenance.
Bar sinister. (Her.) See under Bar, n. -- Sinister aspect (Astrol.), an
appearance of two planets happening according to the succession of the
signs, as Saturn in Aries, and Mars in the same degree of Gemini. --
Sinister base, Sinister chief. See under Escutcheon.
Sin"is*ter-hand"ed (?), a. Left- handed; hence, unlucky. [Obs.]
Lovelace.
Sin"is*ter*ly, adv. In a sinister manner. Wood.
Sin"is*trad (?), adv. [L. sinistra the left hand + ad to.] (Anat. &
Zoöl.) Toward the left side; sinistrally.
Sin"is*tral (?), a. 1. Of or pertaining to the left, inclining to the
left; sinistrous; -- opposed to dextral.
2. (Zoöl.) Having the whorls of the spire revolving or rising to the
left; reversed; -- said of certain spiral shells.
Sin`is*tral"i*ty (?), n. The quality or state of being sinistral.
Sin"is*tral*ly (?), adv. Toward the left; in a sinistral manner. J. Le
Conte.
Sin"is*trin (sn"s*trn), n. [L. sinister left.] (Chem.) A mucilaginous
carbohydrate, resembling achroödextrin, extracted from squill as a
colorless amorphous substance; -- so called because it is levorotatory.
Sin`is*tror"sal (?), a. [L. sinistrorsus, sinistroversus, turned toward
the left side; sinister left + vertere, vortere, versum, vorsum, to
turn.] Rising spirally from right to left (of the spectator);
sinistrorse.
Sin"is*trorse` (?), a. [See Sinistrolsal.] Turning to the left (of the
spectator) in the ascending line; -- the opposite of dextrorse. See
Dextrorse.
Sin"is*trous (?), a. [See Sinister.] 1. Being on the left side;
inclined to the left; sinistral. "Sinistrous gravity." Sir T. Browne.
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