The most common and most likely answer to this crossword clue is the 6 letter word SKETCH
I've seen this crossword clue in Independent
S
K
E
T
C
H
More clues leading to the result SKETCH
- Outline prow of sailing vessel
- Outline of small two-master
- Make drawing of small sailing vessel
- Drawing of ultimately notorious hangman
- Before end of deck, bridge player to cut and draw
- Rough plan from special executioner
- . A perfunctory design of small sailing vessel
- Outline direction to be followed by ship
- Outline heading for sea with boat
- Draw king and the rest in silence
Buddy explains!

The straight part
We know that "Outline" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case outline = sketch.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 SKETCH mean?
SKETCH noun- A rapidly executed freehand drawing that is not intended as a finished work, often consisting of a multitude of overlapping lines.
- A rough design, plan, or draft, as a rough draft of a book.
- A brief description of a person or account of an incident; a general presentation or outline.
- A brief, light, or unfinished dramatic, musical, or literary work or idea; especially a short, often humorous or satirical scene or play, frequently as part of a revue or variety show, a skit
- An amusing person.
- A lookout; vigilant watch for something.
- A humorous newspaper article summarizing political events, making heavy use of metaphor, paraphrase and caricature.
- A formal specification of a mathematical structure or a data type described in terms of a graph and diagrams (and cones (and cocones)) on it. It can be implemented by means of “models”, which are functors which are graph homomorphisms from the formal specification to categories such that the diagrams become commutative, the cones become limiting (i.e., products), the cocones become colimiting (i.e., sums).
- To make a brief, basic drawing.
- To describe briefly and with very few details.
- Sketchy, shady, questionable.