The most common and most likely answer to this crossword clue is the 5 letter word RHINO
I've seen this crossword clue in The Times
R
H
I
N
O
More clues leading to the result RHINO
- One impaled on terrible horn — its?
- Greek character fencing in horned mammal
- Foreign letter about popular zoo animal
- Thick-skinned sort making cash
- Cash crop, you say? Not so
- It may charge money
- Mammal, archaic, oddly abandoned? No!
- Creature heads for river: has its nose out
- Dosh foreign character keeps at home
- Endangered creature Greek character’s keeping at home
Buddy explains!

The straight part
We know that "It may charge/money" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case it may charge/money = rhino.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does RHINO mean?
RHINO noun- A rhinoceros.
- Money