銭
1
round coin with a (square) hole in the center
2
coin made of non-precious materials
銭厘を大切にすれば大金はおのずとたまる。
Take care of the pence, and the pounds will take care of themselves.
3
money
彼のビジネスプランは立派だけど、勘定あって銭足らず、という気もするけどね。
His business plan looks good on paper but I get the feeling it would never work in practice.