crackling

Short definition from Wiktionary

Noun

1. 1
   Fat that, after roasting a joint, hardens and crispens
2. 2
   The crispy rind of roast pork.
3. 3
   A crispy, fried skin or rind, especially of pork.
4. 4
   The making of small, sharp cracks or reports, frequently repeated.
5. 5
   Food for dogs, made from the refuse of tallow melting.
6. 6
   Three stripes of velvet worn on the sleeves of students at St John's College, Cambridge.

Adjective

1. 1
   Sounding with small, sharp cracks or reports, frequently repeated.

Verb

1. 1
   present participle and gerund of crackle