Define ambident nucleophile with an example.

Explanation

### Step-by-Step Solution:

1. **Definition of Ambident Nucleophile**:
An ambident nucleophile is a type of nucleophile that has two different atoms capable of donating a pair of electrons to form a bond with an electrophile. This means that it can attack from two different sites due to the presence of delocalized negative charge or resonance.

2. **Example of Ambident Nucleophile**:
A common example of an ambident nucleophile is the cyanide ion (CN⁻). The cyanide ion has two atoms, carbon (C) and nitrogen (N), which can both act as nucleophiles.

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