Englishfor English speakers
ratchet
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noun
mechanical device consisting of a toothed wheel or rack engaged with a pawl that permits it to move in only one direction
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verb
move by degrees in one direction only
a ratcheting lopping tool
and
Conjunction
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You use and to talk about two things at once.
I like singing and reading.
Mary and Jane went on a holiday together.
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You use and when you are listing a few things and you are now on your last item of the list.
I like singing, reading, cycling and playing soccer.
I used to like this girl from my class as she is pretty, gentle and caring.
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And is used when you are putting two sentences together.
She came into the store, shouted at the cashier, and left.
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Used to show what happened after something else.
The alarm went off and I woke up.
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And is used to join certain numbers together.
Two hundred and thirty-five people went missing after the earthquake.
pawl
—
noun
a hinged catch that fits into a notch of a ratchet to move a wheel forward or prevent it from moving backward