1. (n.) The weight by which precious stones and pearls are weighed.

2. (n.) A twenty-fourth part; -- a term used in estimating the proportionate fineness of gold.

ace atom beverage bit bumper carat centigram crumb dab dash decagram decigram dole dollop dose dot draft dram avoirdupois drench dribble driblet drink drop dwarf dyne farthing finger fleck flyspeck force fragment gargle gobbet grain gram granule groat gulp guzzle hair handful hoot hundredweight iota jigger jolt jot kilo kilogram lap libation little little bit lota mass megaton milligram minim minimum minutiae mite modicum mole molecule mote nip nutshell ounce ounce avoirdupois ounce troy particle pebble peg pennyweight pinch pittance point portion potation potion pound pound avoirdupois pound troy poundal pull quaff quick one round round of drinks scruple shot shred sip slug slurp smidgen smitch snack snifter snort speck splash spoonful spot stone suck sup swig swill thimbleful tiny bit tittle ton tot trifling amount trivia units of weight weight wet whit