Hello again, Lezapping.
There have been several hints about puzzle in a couple of threads already. One posting explained the significance of the title.
In 30a the reference is to TE Lawrence (Lawrence of Arabia) and the reference is indicating that TE starts the answer with say = STATE. Now can you work out the misprint in the clue?
32d EMBRYO is correct and can you spot the misprint in that clue?
40a is an anagram of Yell giant piece. Go here to work it out
Chambers Word Wizard
Enter all the letters into the box and press Search. You can also complete part-words by using the ? wildcard.
Here's a few more to get you moving
16a ATRIP
20a SCRAPIE
25a IMBED
42a TEREDO
4d SLAP-UP
6d UKRAINE
12d SEMI-PRO
21d ETHERIC