lunettes

1.半月形(物)

2.【建】眼镜堡;【军】(炮车等上的)牵引环

3.【建】弧面窗;弦月窗

4.潜水游泳时的护目

5.玻璃表面

6.断头台上的断头孔

1.any object that has a crescent shape

2.an arch-shaped window at the height of a domed ceiling

3.a semicircular panel on a wall, containing a window, painting, or frieze

4.a metal ring on a vehicle to which a rope can be attached for towing

5.a crescent-shaped mound of fine silt or clay similar in form to a sand dune, found especially near the edge of a temporary lake

6.in the Roman Catholic Church, a crescent-shaped container in which the consecrated bread is placed during a Mass