underlug

词形变化

underlugs 复数 underlugs

释义与例句

n.
  1. 1.

    One of the locking lugs on a break-action firearm that extend from the bottom of the barrels under the chamber(s) and connect into the receiver bottom.

    工程 政治 军事
  2. 2.

    The metal shroud underneath the barrel of a revolver that surrounds and protects the extractor rod.

    工程 政治 军事

词源

From under- + lug.

来源：wiktionary