To undergo atrophy.

1. To become dry or drier; SYN. dry out.
2. To remove the moisture from and make dry; SYN. dry out.

to twist about

ETYM See Welt (n.).
To put a welt on; of garments or shoes.

1. To be immersed in, as of work.
2. To toss, roll, or rise and fall in an uncontrolled way.

(Homonym: whither).
1. To fade; to lose freshness; to become sapless; to become sapless; to dry or shrivel up.
2. To lose or want animal moisture; to waste; to pine away, as animal bodies.
3. To lose vigor or power; to languish; to pass away.