From BiblePortal Wikipedia

Webster's Dictionary [1]

(1): ( n.) Whatever is arranged to drop, hang, or fall from an elevated position; also, a contrivance for lowering something

(2): ( n.) A contrivance for temporarily lowering a gas jet.

(3): ( n.) Any small pendent ornament.

(4): ( n.) A machine for lowering heavy weights, as packages, coal wagons, etc., to a ship's deck.

(5): ( n.) A drop press or drop hammer.

(6): ( n.) The depth of a square sail; - generally applied to the courses only.

(7): ( n.) Act of dropping; sudden fall or descent.

(8): ( n.) Any medicine the dose of which is measured by drops; as, lavender drops.

(9): ( n.) Same as Gutta.

(10): ( n.) That which resembles, or that which hangs like, a liquid drop; as a hanging diamond ornament, an earring, a glass pendant on a chandelier, a sugarplum (sometimes medicated), or a kind of shot or slug.

(11): ( n.) To bestow or communicate by a suggestion; to let fall in an indirect, cautious, or gentle manner; as, to drop hint, a word of counsel, etc.

(12): ( n.) To cause to fall in one portion, or by one motion, like a drop; to let fall; as, to drop a line in fishing; to drop a courtesy.

(13): ( n.) To let go; to dismiss; to set aside; to have done with; to discontinue; to forsake; to give up; to omit.

(14): ( n.) A door or platform opening downward; a trap door; that part of the gallows on which a culprit stands when he is to be hanged; hence, the gallows itself.

(15): ( n.) To lower, as a curtain, or the muzzle of a gun, etc.

(16): ( n.) To send, as a letter; as, please drop me a line, a letter, word.

(17): ( n.) To give birth to; as, to drop a lamb.

(18): ( n.) To cover with drops; to variegate; to bedrop.

(19): ( v. i.) To fall in drops.

(20): ( v. i.) To fall, in general, literally or figuratively; as, ripe fruit drops from a tree; wise words drop from the lips.

(21): ( v. i.) To let drops fall; to discharge itself in drops.

(22): ( v. i.) To fall dead, or to fall in death.

(23): ( v. i.) To come to an end; to cease; to pass out of mind; as, the affair dropped.

(24): ( v. i.) To come unexpectedly; - with in or into; as, my old friend dropped in a moment.

(25): ( v. i.) To fall or be depressed; to lower; as, the point of the spear dropped a little.

(26): ( v. i.) To fall short of a mark.

(27): ( v. i.) To be deep in extent; to descend perpendicularly; as, her main topsail drops seventeen yards.

(28): ( n.) The quantity of fluid which falls in one small spherical mass; a liquid globule; a minim; hence, also, the smallest easily measured portion of a fluid; a small quantity; as, a drop of water.

(29): ( n.) To pour or let fall in drops; to pour in small globules; to distill.

(30): ( n.) The distance of the axis of a shaft below the base of a hanger.

(31): ( n.) A curtain which drops or falls in front of the stage of a theater, etc.

Vine's Expository Dictionary of NT Words [2]

1: Θρόμβος (Strong'S #2361 — Noun Masculine — thrombos — throm'-bos )

"a large, thick drop of clotted blood" (etymologically akin to trepho, "to curdle"), is used in  Luke 22:44 , in the plural, in the narrative of the Lord's agony in Gethsemane.

King James Dictionary [3]

DROP, n. G.

1. A small portion of any fluid in a spherical form, which falls at once from any body, or a globule of any fluid which is pendent, as if about to fall a small portion of water falling in rain as a drop of water a drop of blood a drop of laudanum. 2. A diamond hanging from the ear an earring something hanging in the form of a drop. 3. A very small quantity of liquor as, he had not drank a drop. 4. The part of a gallows which sustains the criminal before he is executed, and which is suddenly dropped.

Wilson's Dictionary of Bible Types [4]

 Deuteronomy 32:2 (a) The word is used to illustrate the falling of GOD's Word upon the heart and the production of abundant good works as a result.

 Isaiah 40:15 (a) This is a type of the insignificance of the nations.

 Amos 7:16 (a) This is a description of preaching and ministry to GOD's people.