Poetry is modest but not empty when read aloud (4)

I believe the answer is:

odes

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

'poetry' is the definition.
(ode is a type of poem)

'modest but not empty when read aloud' is the wordplay.
'ODES' is hidden in amongst the letters.
But, I am uncertain how the hidden word is indicated.

'is' acts as a link.

Can you help me to learn more?

(Other definitions for odes that I've seen before include "To a Skylark, To a Nightingale etc" , "Songs" , "Works by Pindar" , "Verses" , "verse" .)

I've seen this clue in The Independent.

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