(idiomatic) A share in the doing of something; involvement.

plural of boy in buttons

(historical) A young male servant in livery; a page.

Placed in a difficult or awkward situation. / (dated) secretly; covertly

To inform one's workplace or school that one temporarily cannot attend work or school due to illness.

(uncountable) A sport developed by the Prairie Amerinds / Great Plains Indians, where competitors race thrice around a horsetrack bareback on horses, where the racer must jump off one horse and onto another at the end of each lap.

(idiomatic) Ready if needed, in reserve, prepared, available for use whenever it might be advantageous.

(humorous) The supposed reason for a person using the pronoun we when really speaking only about themselves.

simple past tense and past participle of lean in

present participle of lean in