[1] : WordNet (r) 2.0

chip in
     v : contribute to some cause; "i gave at the office" syn: contribute,
          give, kick in
see also:
contribute give kick in 

[2] : Moby Thesaurus II by Grady Ward, 1.0

50 moby thesaurus words for "chip in":
   acknowledge, be enfranchised, be implicated in, bear a hand,
   bear the expense, break in, chime in, come through, contribute,
   contribute to, cut in, defray, defray expenses, donate to,
   enter into, finance, foot the bill, fund, gift, gift with, give to,
   go dutch, go into, have suffrage, help decide, honor a bill,
   interrupt, join, join in, kick in, make the scene, partake,
   partake of, participate, participate in, pay for, pay the bill,
   pay the piper, pitch in, pledge, pull an oar, put in, redeem,
   sit in, sit in on, stand the costs, subscribe, sweeten the kitty,
   take part in, vote

Chip >> C Words
Chip, definition of term: Chip
chip_pag1.html

Chip Set >> C Words
Chip Set, definition of term: Chip Set
chip+set_pag1.html

Chip In >> C Words
Chip In, definition of term: Chip In
chip+in_pag1.html

Chip Away >> C Words
Chip Away, definition of term: Chip Away
chip+away_pag1.html

Potato Chip >> P Words
Potato Chip, definition of term: Potato Chip
potato+chip_pag1.html

Micro Chip >> M Words
Micro Chip, definition of term: Micro Chip
micro+chip_pag1.html

Buffalo Chip >> B Words
Buffalo Chip, definition of term: Buffalo Chip
buffalo+chip_pag1.html

Blue Chip >> B Words
Blue Chip, definition of term: Blue Chip
blue+chip_pag1.html