openface
adjectiveUK /ˈəʊpənfeɪs/
US /ˈoʊpənfeɪs/
A sandwich with no top piece of bread.
She made an openface sandwich with cheese on toast.
OTHER MEANINGS
2. A type of watch with a plain face and no cover.
He wore an openface pocket watch.
3. A style of helmet that leaves the face visible.
The rider chose an openface helmet for the summer.
4. A kind of sandwich served with the filling visible on top.
The café serves openface sandwiches with smoked salmon.