noun
cash register
A mechanical or electronic device for recording sales and handling money in shops.
店員は金銭登録機で会計を済ませた。
The clerk completed the transaction at the cash register.
Standard kanji form for 'cash register'.
Variant using 器 instead of 機; both are used.
レジ is the common abbreviation for レジスター (cash register) and is used much more frequently in everyday conversation. 金銭登録機 is a formal, technical term.
Compound of 金銭 (money), 登録 (registration), and 機 (machine). A direct translation of the English 'cash register'.