crumb

Từ điển Oxford Advanced Learner 8th

crumb [crumb crumbs crumbed crumbing] BrE [krʌm] NAmE [krʌm] noun
1. a very small piece of food, especially of bread or cake, that has fallen off a larger piece
•She stood up and brushed the crumbs from her sweater.
2. a small piece or amount
•a few crumbs of useful information
•The government's only crumb of comfort is that their opponents are as confused as they are.

Word Origin:
Old English cruma, of Germanic origin; related to Dutch kruim and German Krume. The final -b was added in the 16th cent., perhaps from ↑crumble but also influenced by words such as dumb, where the original final -b is retained although no longer pronounced.

Example Bank:
•He didn't even leave any crumbs on his plate.
•I swept away the crumbs.
•She brushed the cake crumbs off the table.
•a few crumbs of bread
•I managed to pick up a few crumbs of useful information.
•The government's only crumb of comfort is that their opponents are as confused as they are.