n.
Pronunciation: ˌ kla-s ə -f ə - ' k ā -sh ə n
Function: noun
Date: 1790
1 : the act or process of classifying
2 a : systematic arrangement in groups or categories according to established criteria specifically : TAXONOMY b : CLASS , CATEGORY
– clas · si · fi · ca · to · ry \ ' kla-s ə -fi-k ə - ˌ to ̇ r- ē , kla- ' si-f ə -; ' kla-s ə -f ə - ˌ k ā -t ə -r ē \ adjective