0 for, using, or relating to one eye: --
The images you see are only half as bright as they would be with a traditional monocular eyepiece.
Binoculars or clip-on monocular telescopes are conventionally used to observe sporting events or for bird watching.
1 a tube with a glass lens (= a curved piece of glass, plastic, or other transparent material) at either end that you look through to see things that are far away more clearly: --
He watches television, mostly sports, with a monocular.
There's also a waterproof nocturnal monocular for watching in the dark.
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
We kunnen het stap voor stap voltooien, hoe lang de weg ook is en het kan niet worden voltooid, hoe kort de weg ook is, als je niet eens je voetafdruk markeert.