1An illuminated trap for attracting and catching nocturnal flying insects.
〔动〕灯光捕虫器
Example sentencesExamples
But you can put flea control on autopilot while you're away with a simple light trap.
The emerging corn borer moths are recaptured in black light traps placed at varying distances around the release sites.
European corn borer flight is building, but cool weather has kept light trap numbers low.
Sampling was by mercury vapor light trap and took place throughout the flying season where possible, but sometimes for shorter periods.
Using butterfly nets and light traps, he explained he had found and bred the majority of his collection, which includes moths, butterflies, beetles and flies.
2Photography A device for excluding light from a darkroom without preventing entry into it.
〔摄〕（允许人进入暗房但光不能进入的）防光装置
Definition of light trap in US English:
light trap
noun
1An illuminated trap for attracting and catching nocturnal animals, especially moths and other flying insects.
〔动〕灯光捕虫器
Example sentencesExamples
The emerging corn borer moths are recaptured in black light traps placed at varying distances around the release sites.
But you can put flea control on autopilot while you're away with a simple light trap.
European corn borer flight is building, but cool weather has kept light trap numbers low.
Sampling was by mercury vapor light trap and took place throughout the flying season where possible, but sometimes for shorter periods.
Using butterfly nets and light traps, he explained he had found and bred the majority of his collection, which includes moths, butterflies, beetles and flies.
2Photography A device for excluding light from a darkroom without preventing entry into it.