STEP Hebrew Lexicon: שָׂחַק

1) to laugh, play, mock

1a) (Qal)

1a1) to laugh (usually in contempt or derision)

1a2) to sport, play

1b) (Piel)

1b1) to make sport

1b2) to jest

1b3) to play (including instrumental music, singing, dancing)

1c) (Hiphil) to laugh mockingly