Merriam-Webster Collegiate Dictionary - as

 I. adverb  Etymology: Middle English, from Old English eallswa likewise, just ~ — more at also  Date: before 12th century  1. to the same degree or amount ~ soft ~ silk twice ~ long  2. for instance various trees, ~ oak or pine  3. when considered in a specified form or relation — usually used before a preposition or a participle my opinion ~ distinguished from his  II. conjunction  Date: 12th century  1. ~ if looks ~ he had seen a ghost — S. T. Coleridge  2. in or to the same degree in which soft ~ silk — usually used ~ a correlative after an adjective or adverb modified by adverbial ~ or so ~ cool ~ a cucumber  3. in the way or manner that do ~ I do  4. in accordance with what or the way in which quite good ~ boys go  5. while, when spilled the milk ~ she got up  6. regardless of the degree to which ; though improbable ~ it seems, it's true  7. for the re~on that ; because, since stayed home ~ she had no car  8. that the result is so clearly guilty ~ to leave no doubt  Usage: see like  III. pronoun  Date: 12th century  1. that, who, which — used after same or such in the same building ~ my brother tears such ~ angels weep — John Milton and chiefly dialect after a substantive not modified by same or such that kind of fruit ~ maids call medlars — Shakespeare  2. a fact that is a foreigner, ~ is evident from his accent  IV. preposition  Date: 13th century  1.  a. like 2 all rose ~ one man  b. like 1a his face w~ ~ a m~k — Max Beerbohm  2. in the capacity, character, condition, or role of works ~ an editor  V. noun  (plural ~ses)  Etymology: Latin  Date: 1540  1.  a. a bronze coin of the ancient Roman republic  b. a unit of value equivalent to an ~ coin  2. libra 2a AS  abbreviation  1. after sight  2. airspeed  3. Anerican Samoa  4. Anglo-Saxon  5. antisubmarine  6. associate in science AS  I. abbreviation altostratus  II. symbol arsenic