cracker

The Simple English Wikipedia has an article on:

Cracker

Pronunciation

• enPR: krăk'ə(r)
• IPA ^(key): /ˈkrækə(r)/
• SAMPA: /"kr{k@(r)/

Noun

Singular cracker

Plural crackers

1. A dry, thin, crispy, and usually salty or savory biscuit.

   These crackers taste good with cheese.

2. A person or thing that cracks things (for example, a whip cracker or a nutcracker).
3. (derogatory) Cracker is an insulting word for a poor white person living in the southern US.

• 
  crackers with sauce
• 
  oyster crackers
• 
  a broken cracker
• 
  a Ritz cracker