Crossword Genius

Youngster takes Japanese cash and secures tiles (6)

Ross

I believe the answer is:

grouts

I'm a little stuck... Click here to teach me more about this clue!

'secures tiles' is the definition.
'grouts' can be an answer for 'secures' (grouting is a kind of securing). I'm not certain of the 'tiles' bit.

I don't understand how the remainder of the clue works.

Can you help me to learn more?

(Another definition for grouts that I've seen is " Digs up".)

I've seen this clue in The Irish Times.
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