astragal

英汉释义

• n.

  1.【解】距骨

  2.【建】半圆饰

英英释义

• n.

  1.a narrow convex molding, often taking the form of beads

  2.a small convex molding attached to double doors to prevent drafts or the passage of light, noise, or smoke

  3.a bar that is part of the frame of each pane that makes up a window