Etymology: Middle English, from Old English ōther; akin to Old High German andar other, Sanskrit antara
Date: before 12th century
a. being the one (as of two or more) remaining or not included <held on with one hand and waved with the other one> b. being the one or ones distinct from that or those first mentioned or implied <taller than the other boys> c. second <every other day> 2. not the same ; different <any other color would have been better> <something other than it seems to be> 3. additional <sold in the United States and 14 other countries> 4. a. recently past <the other evening> b. former <in other times> 5. disturbingly or threateningly different ; alien, exotic II. noun Date: before 12th century 1. a. one that remains of two or more b. a thing opposite to or excluded by something else <went from one side to the other> <nature as the other of culture> 2. a different or additional one <the others came later> 3. a. one (as another person) that is psychologically differentiated from the self b. often capitalized one considered by members of a dominant group as alien, exotic, threatening, or inferior (as because of different racial, sexual, or cultural characteristics) III. pronoun, sometimes plural in construction Date: before 12th century 1. obsolete a. one of two that remains b. each preceding one 2. a different or additional one <something or other> IV. adverb Date: 13th century otherwise — used with than <was unable to see them other than by going to their home>
New Collegiate Dictionary. 2001.