pit lamp1
/ˈpɪt lamp/noun
A miner's lamp. Also (Canadian Hunting ): a portable light used for pit-lamping.
Origin
Mid 19th century; earliest use found in Banner Liberty (Middletown, New York). From pit + lamp.
pit-lamp2
/ˈpɪtlamp/Canadian Hunting
verb
[with object] To blind (an animal) temporarily by shining a strong light so that it freezes in its tracks, allowing the hunter an easy shot.
Origin
1940s. From pit lamp. Compare earlier pit-lamping.