Webster's English Dictionary

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alignment

align.ment also aline.ment \*-li-n-m*nt\ n 1: the act of aligning or state 
   of being aligned; esp : the proper  positioning or state of adjustment of 
   parts (as of a mechanical or electronic device) in relation to each other 
   2a: a forming in line  2b: the line thus formed  3: the ground plan in 
   distinction from the profile