plural of opening batsman

A wound which pierces the skin (and/or exterior bones), so as to bare flesh and/or internal organs.

plural of open door

(idiomatic) To lead to opportunities or (social) advantages.

plural of open valley

plural of bottle opener

(education) Referring to exams in which external resources such as textbooks, glossaries, study notes, calculators, etc. may be used.

(idiomatic) Something of which salient aspects are obvious or easily interpreted.

plural of open cluster

plural of open book