The most common and most likely answer to this crossword clue is the 8 letter word ENVELOPE
I've seen this crossword clue in The Guardian
E
N
V
E
L
O
P
E
More clues leading to the result ENVELOPE
- Flat accommodation for one letter?
- Change 11p over old cover?
- Even outsiders love restitched sports coat
- Cover unconventional novel in English exercise
- 11 fighting over 17 across case
- Gasbag sometimes caught on bicycle in Calais gym
- Its back can be roughly used
- One usually gets into a flap at its opening time
- The answer here probably has only one letter!
- Eleven struggling to secure work — one will get put in post
Buddy explains!
The straight part
We know that "case" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case case = envelope.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 ENVELOPE mean?
ENVELOPE noun- A paper or cardboard wrapper used to enclose small, flat items, especially letters, for mailing.
- Something that envelops; a wrapping.
- A bag containing the lifting gas of a balloon or airship; fabric that encloses the gas-bags of an airship.
- A mathematical curve, surface, or higher-dimensional object that is the tangent to a given family of lines, curves, surfaces, or higher-dimensional objects.
- A curve that bounds another curve or set of curves, as the modulation envelope of an amplitude-modulated carrier wave in electronics.
- The shape of a sound, which may be controlled by a synthesizer or sampler.
- The information used for routing a message that is transmitted with the message but not part of its contents.
- An enclosing structure or cover, such as a membrane; a space between two membranes
- The set of limitations within which a technological system can perform safely and effectively.
- The nebulous covering of the head or nucleus of a comet; a coma.
- An earthwork in the form of a single parapet or a small rampart, sometimes raised in the ditch and sometimes beyond it.
- To surround or enclose.