Main Entry: ²pigeonhole

Function: transitive verb

Date: 1840

1 a : to place in or as if in the pigeonhole of a desk b : to lay aside : shelve <his reports continued to be pigeonholed and his advice not taken — Walter Mills>
2 : to assign to an often restrictive category : classify

— pi·geon·hol·er \-ˌhō-lər\ noun