Phoenix

[fuzzy-brain]

21a. You will surely get supper - or breakfast - if sex is arranged. (4) M _ A _. Could it be 'Meal', and why? Thanks.

[Mamyalynne]

Male rearranged - Meal

[mazie]

anagram of Male

[fuzzy-brain]

Many thanks to both of you. I should have seen that!

[fuzzy-brain]

I have one final clue to solve.
Sounds like it could be I represent an element of filth at the centre. (4) _ M _ T. Smut? Omit? Emit? ??? Thanks again.

[shoota]

Smut - sounds like 'soot' with M middle letter of element

[Mamyalynne]

Looks like it's asking for'Me' in the centre - but can't see it.

[Mamyalynne]

Oh apologies, never would have thought of that.

[shoota]

Yes Mamy but it's me and is probably only nearly right.....;-)

[fuzzy-brain]

Many thanks for that, shoota. Thank you too, Mamy.

[Mamyalynne]

Just an oddly worded clue and the definition shoved randomly in,still setter's licence.

[shoota]

Welcome fuzzy - I hope it is right....