The most common and most likely answer to this crossword clue is the 7 letter word PENGUIN
I've seen this crossword clue in Financial Times
P
E
N
G
U
I
N
More clues leading to the result PENGUIN
- Swan interacting with mouse? New for a bird!
- Bird shooter bags one seabird
- ‘Bird training’s no good!’, you shout at home
- Note gull, not half, in bird
- Swimmer to open Guinness bottles
- Publisher taking initiative originally in shooting writer?
- Write piece about oneself being an emperor?
- Writer with spirit taking on university publisher
- English university invested in secure publisher
- King perhaps screwed up with engine that doesn’t start
Buddy explains!

The straight part
We know that "King perhaps" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case king perhaps = penguin.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 PENGUIN mean?
PENGUIN noun- Any of several flightless sea birds, of order Sphenisciformes, found in the Southern Hemisphere, marked by their usual upright stance, walking on short legs, and (generally) their stark black and white plumage.
- An auk (sometimes especially a great auk), a bird of the Northern Hemisphere.
- A nun (association through appearance, because of the black and white habit).
- A type of catch where the palm of the hand is facing towards the leg with the arm stretched downward, resembling the flipper of a penguin.
- A spiny bromeliad with egg-shaped fleshy fruit, Bromelia pinguin.