1. verb /lɛt/
a) To allow, not to prevent (+ infinitive, usually without ).
After he knocked for hours, I decided to let him come in.
b) To allow the release of (a fluid).
The physicians let about a pint of his blood, but to no avail.
2. noun /lɛt/
a) A hindrance.
...without let or hindrance (on all commonwealth passports)
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