Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun rear_of_barrel

1 sense of rear of barrel

Sense 1
breech, rear of barrel, rear of tube -- (opening in the rear of the barrel of a gun where bullets can be loaded)
       => opening -- (a vacant or unobstructed space that is man-made; "they left a small opening for the cat at the bottom of the door")