Ideographic: A hand 又 grasping an object 丶Radical:

meaning for chā:

  • - fork
  • - pitchfork
  • - prong
  • - pick
  • - cross
  • - intersect
  • - "X"

meaning for chá:

  • - to cross
  • - be stuck

meaning for chǎ:

  • - to diverge
  • - to open (as legs)