What is the meaning of Rusk?

a rectangular, hard, dry biscuit

a twice-baked bread, slices of bread baked until they are hard and crisp (also called a zwieback)

a weaning food for children

a cereal binder used in meat product manufacture

waste, rubbish, garbage

waste, rubbish, garbage

a large specimen of something

waste, dust

sour weather with rain and wind; drizzle

crazy

bad rainy (or snowy, slushy, misty, windy, stormy, cloudy etc) weather

Source: wiktionary.org