Meaning
A folding pocket knife — the classic 'ratchet knife' (often the German-made Okapi) whose blade locks open with a ratcheting click. Cheap, sturdy, and carried by farmers, workmen, and market people for cutting cane, opening produce, and everyday tasks, the rachet is a fixture of country and street life; in some contexts it also carries the edge of a weapon.
Examples
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Him pull out him rachet fi cut di cane.
He pulled out his ratchet knife to cut the cane.
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Every country man have a rachet inna him pocket.
Every country man has a ratchet knife in his pocket.
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Di rachet blade lock wid a click.
The ratchet knife's blade locks with a click.
Origin
From 'ratchet' (the locking mechanism); a folding ratchet pocket knife (e.g. Okapi). See [[cutlass]].
How it’s used
A folding ratchet pocket knife; an everyday tool (and sometimes a weapon). See [[cutlass]].