Global Clue

An excavation for the extraction of coal, gems and ores; the 'gallery' of an insect in a leaf; or, historically, a passage under a besieged fortress to give secret ingress or to blow it up

Let's find possible answers to "An excavation for the extraction of coal, gems and ores; the 'gallery' of an insect in a leaf; or, historically, a passage under a besieged fortress to give secret ingress or to blow it up" crossword clue. First of all, we will look for a few extra hints for this entry: An excavation for the extraction of coal, gems and ores; the 'gallery' of an insect in a leaf; or, historically, a passage under a besieged fortress to give secret ingress or to blow it up. Finally, we will solve this crossword puzzle clue and get the correct word. We have 1 possible solution for this clue in our database.