“…and at last they came upon the plain and saw the spires of Otrar gleaming through the whirling snow-wrack.”

-Lord of Samarcand

Howard used this term sparsely but nevertheless, abnormally often. He used wrack to describe the stormy sea in Pool of the Black One where it shows up in a short verse.

1. wrack1

[rak]

VERB

1. variant spelling of rack.

wrack2

[rak]

NOUN

2. any of a number of coarse brown seaweeds that grow on the shoreline, frequently each kind forming a distinct band in relation to high- and low-water marks

ORIGIN

early 16th cent.: apparently from wrack 4.

wrack3

[rak]

NOUN

3. variant spelling of rack.

ORIGIN

late Middle English: variant of rack5.

wrack4

[rak]

NOUN

4. archaic

dialect

a wrecked ship; a shipwreck.

 wreckage.

ORIGIN

late Middle English: from Middle Dutch wrak; related to wreak and wreck.