speculums

1.(古代的)金属镜;反射镜

2.【医】窥器,诊察镜;开张器

3.【天】行星相对位置图谱

4.【动】(鸟的)翼斑,翼镜

5.(鳞翅目翅的)透明斑;(鳞翅目幼虫的)颈斑

6.【动】灿点,眼状斑

1.a mirror or other reflective surface in an optical instrument such as a telescope

2.a medical instrument used to hold open a body passage such as the anus or vagina so that it can be examined

3.a patch of color on the wings of ducks and some other birds