Cryptic crossword clue
One cold March back in the Antarctic eg 6

The most common and most likely answer to this crossword clue is the 6 letter word ICECAP

I've seen this crossword clue in Financial Times
I
C
E
C
A
P


Buddy explains!

The straight part
We know that "in the Antarctic eg" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case in the antarctic eg = icecap.
The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.
This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.

What does ICECAP mean?

ICECAP noun
  1. An iced cappuccino.
ICECAP noun
  1. A permanent expanse of ice encompassing a large geographical area, e.g. in Earth's polar zones or at high elevation.
  2. An ice pack designed to be worn on the head.
ICECAP noun
  1. An iced coffee made by adding ice to a cappuccino.

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