Godan verb with 'mu' ending, Transitive verb
to wrap up; to pack; to bundle; to do up
彼女は贈り物を紙に包んだ。She wrapped the present in paper. to cover; to envelop; to shroud; to engulf
usu. in the passive
to conceal (a feeling); to hide
to give (money in an envelope; as a wedding gift, funeral offering, etc.)
Also written 裹む【つつむ】