Merriam-Webster Collegiate Dictionary - dram

 I. noun  Etymology: Middle English dragme, from Anglo-French & Late Latin; Anglo-French, ~, drachma, from Late Latin dragma, from Latin drachma, from Greek drachme, literally, handful, from drassesthai to grasp  Date: 14th century  1.  a. — see weight table  b. fluid ~  2.  a. a small portion of something to drink  b. a small amount  II. noun  Etymology: Armenian, literally, coin, money, ultimately from Greek drachme drachma  Date: 1993 — see money table  III. abbreviation ~atic; ~atist DRAM  noun  Etymology: dynamic + RAM (random-access memory)  Date: 1980 a type of RAM that must be continuously supplied with power in order to retain data