Chapter Double-eyed to Doughtily of D by Webster's Dictionary (1913 Edition)

1. The act of one that doubles; a making double; reduplication; also, that which is doubled.

2. A turning and winding; as, the doubling of a hunted hare; shift; trick; artifice. Dryden.

3. (Her.) The lining of the mantle borne about the shield or escutcheon.

4. The process of redistilling spirits, to improve the strength and flavor.

Doubling a cape, promontory, etc. (Naut.), sailing around or passing beyond a cape, promontory, etc.

Doubloon
(Doub*loon") n. [F. doublon, Sp. doblon. See Double, a., and cf. Dupion.] A Spanish gold coin, no longer issued, varying in value at different times from over fifteen dollars to about five. See Doblon in Sup.

Doubly
(Dou"bly) adv.

1. In twice the quantity; to twice the degree; as, doubly wise or good; to be doubly sensible of an obligation. Dryden.

2. Deceitfully. "A man that deals doubly." Huloet.

Doubt
(Doubt) v. i. [imp. & p. p. Douted; p. pr. & vb. n. Doubting.] [OE. duten, douten, OF. duter, doter, douter, F. douter, fr. L. dubitare; akin to dubius doubtful. See Dubious.]

1. To waver in opinion or judgment; to be in uncertainty as to belief respecting anything; to hesitate in belief; to be undecided as to the truth of the negative or the affirmative proposition; to b e undetermined.

Even in matters divine, concerning some things, we may lawfully doubt, and suspend our judgment.

Hooker.

To try your love and make you doubt of mine.

Dryden.

2. To suspect; to fear; to be apprehensive. [Obs.]

Syn. — To waver; vacillate; fluctuate; hesitate; demur; scruple; question.

Doubt
(Doubt), v. t.

1. To question or hold questionable; to withhold assent to; to hesitate to believe, or to be inclined not to believe; to withhold confidence from; to distrust; as, I have heard the story, but I doubt the truth of it.

To admire superior sense, and doubt their own!

Pope.

I doubt not that however changed, you keep
So much of what is graceful.

Tennyson.

To doubt not but.

I do not doubt but I have been to blame.

Dryden.

We doubt not now
But every rub is smoothed on our way.

Shak.

That is, we have no doubt to prevent us from believing, etc. (or notwithstanding all that may be said to the contrary) — but having a preventive sense, after verbs of "doubting" and "denying" that convey a notion of hindrance. E. A. Abbott.