Verb (1-dan, transitive)
Usually written in kana
1.  to insert;  to put in (such that there is a snug fit);  to button;  to put on (something that envelops, e.g. gloves, ring)
2.  to have sex;  to fuck
3.  to pigeonhole (into a particular category)
4.  to place a ring-shaped object around something (esp. one that restricts freedom, such as handcuffs)
5.  to entrap;  to set someone up (e.g. frame them for a crime, etc.)