While working on our term database, some term stick out for having a disputable definition. I would like to start a forum discussion to discuss them. I am especially interested to hear from native English speakers which definitions might be more common and why.  To begin with:  Aperture To me that is about the opening of a counter: However, FontShop and other sites with Glossaries use it for an “open counter” itself: So, is the latter really an accepted definit