stackheadregister
nounUK /ˈstæk.hɛdˌrɛdʒ.ɪ.stər/
US /ˈstæk.hɛdˌrɛdʒ.ə.stɚ/
A stackheadregister is a special list that keeps track of where things are stacked.
The librarian used a stackheadregister to remember which shelf each box belonged on.
OTHER MEANINGS
2. A device that records the top position of a stack of items.
The machine's stackheadregister showed the next sheet to be picked up.
3. A computer memory pointer that marks the top of a data stack.
The program updated the stackheadregister after pushing a new value.
4. A written note kept at the head of a pile to show what is inside.
He checked the stackheadregister taped to the crate before opening it.