Carex glaucodea, native to North America.

present participle of knock wood

present participle of knock on wood

Third-person singular simple present indicative form of knock on wood

Third-person singular simple present indicative form of knock wood

simple past tense and past participle of knock on wood

simple past tense and past participle of knock wood

(US, Southern US) cotton wool not yet cleansed of its seeds

Laportea canadensis, an annual or perennial herbaceous plant of the nettle family Urticaceae, native to eastern and central North America.

A floor covering made of thin pieces of wood secured to a flexible backing, such as cloth.