noun
: a device for anchoring attachments to masonry or concrete surfaces consisting of a metal insert that is driven into a drilled hole and expanded tightly against the sides of the hole
noun
: a device for anchoring attachments to masonry or concrete surfaces consisting of a metal insert that is driven into a drilled hole and expanded tightly against the sides of the hole
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012