From Longman Dictionary of Contemporary Englishfield glassesˈfield ˌglasses noun [plural] DLObinoculars
Examples from the Corpus
field glasses• In return he handed out whips, flagons and field glasses.• Elinor leaning over the crazy gate and Otley with his field glasses.• A silhouette showed behind the net curtains, a silhouette aiming a pair of field glasses.• I was led to the verandah, where an ancient pair of field glasses was thrust into my hands.• Those who stared through telescopes or field glasses saw how drastically the two climbers had slowed on the third day. 