chip in

pool together money, add one's money together with other people's money (to buy an expensive product, etc.)

Verb
1. contribute to some cause; "I gave at the office"
(synonym) contribute, give, kick in
(hypernym) give
(hyponym) combine

contribute money or pay jointly Everyone in our company chipped in some money to buy a wedding present for our boss.

Synonyms and related words:
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
  

INTROMETTERSI. INTERLOQUIRE. CONTRIBUIRE (A QUALCOSA) CON DENARO. CONTRIBUIRE (A QUALCOSA) CON IL PROPRIO LAVORO. METTERE UNA FICHE