Cryptic crossword clue
Shipping line registered a toxic container carrier 7

The most common and most likely answer to this crossword clue is the 7 letter word PANDORA

I've seen this crossword clue in Independent
P
A
N
D
O
R
A


Buddy explains!

The straight part
We know that "a toxic container carrier" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case a toxic container carrier = pandora.
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 PANDORA mean?

PANDORA noun
  1. Any fish of the genus Pagellus.

Latest crossword clues with full explanations