(of a comet) having an orbit which passes close to the sun.
〔天文〕（彗星）掠日的
Example sentencesExamples
The video shows the Sun between December 22 and December 27, 1996 featuring a sun-grazing comet, a coronal mass ejection, and the Sun moving in front of the galactic center.
Never try to see sun-grazing comets by looking at the Sun yourself - the brightness will damage your eyes!
They belong to the Kreutz family of sun-grazing comets, often seen by the SOHO spacecraft while diving towards their final rendezvous with the Sun.