dram
1 (drm)
n.
1. Abbr. dr.
a. A unit of weight in the U.S. Customary System equal to
1/16 of an ounce or 27.34 grains (
1.77 grams).
b. A unit of apothecary weight equal to
1/8 of an ounce or 60 grains (3.89 grams). See
Table at measurement.
2.
a. A small draft: took a dram of brandy.
b. A small amount; a
bit: not a dram of compassion.
Middle English dragme, a drachma, a unit of weight, from Old French, from Late Latin dragma, from Latin drachma; see drachma.
3. A small amount of anything as in a wee dram (wee means very small)