cash in hand

Short definition from Wiktionary

Adjective

1. 1
   Receiving wages or salary directly in the form of cash, often without deducting tax.
2. 2
   Alternative form of cash in hand.

Adverb

1. 1
   In a manner receiving direct payment by cash, often without paying tax.

Noun

1. 1
   Direct payment by cash, as opposed to through a bank.
2. 2
   Unbanked, undeposited monies.