The most common and most likely answer to this crossword clue is the 6 plus 3 letter word GUINEA PIG
G
U
I
N
E
A
P
I
G
More clues leading to the result GUINEA PIG
- One used in experiment in African country by greedy person
- Test subject – old tender pigeon with age ignored
- Country spring regularly is the subject of tests
- Pet subject of experimentation?
- Pet subject of experimentation
- Pet having chewed Aunt Aggie’s pie eats out
- Pioneering animal
- Subject of trial? Apron at concert according to Spooner!
- Pet subject for experimental scientist
Buddy explains!
The straight part
We know that "One used in experiment" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case one used in experiment = guinea pig.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 GUINEA PIG mean?
GUINEA PIG noun- A tailless rodent of the family Caviidae and the genus Cavia, with short ears and larger than a hamster; the species Cavia porcellus is often kept as a pet.
- A rodent of any of several species within the family Caviidae.
- A living experimental subject.
- A professional company director, without time or real qualifications for the duties.
- A midshipman in the East India service; (by extension) a low-skilled or non-proficient seaman.