Cracknel
/ˈkræknəl/
Definition 1 of 1
Pro Tip 1/3British Use
Cracknel is more commonly used and recognized in the UK than other English-speaking regions. 
I miss the cracknels from the UK; they're not the same here in the States.
Pro Tip 2/3Texture Cue
The word 'cracknel' is typically used to describe biscuits that are hard and potentially crunchy. 
Be careful with that cracknel; it's hard enough to crack a tooth!
Pro Tip 3/3Not Fresh
A cracknel is often perceived as less fresh or less enjoyable when stale compared to other types of biscuits. 
This cracknel is stale; it doesn't have the satisfying snap it used to.