BOILER n.
A strong metallic vessel, usually of wrought iron plates riveted together, or a composite structure variously formed, in which steam is generated for driving engines, or for heating, cooking, or other purposes.
BUTTON n.
univalve marine shell of the genus Rotella. -- Button snakeroot. (Bot.) (a) The American composite genus Liatris, having rounded buttonlike heads of flowers. (b) An American umbelliferous plant with rigid, narrow leaves, and flowers in dense heads. -- Button tree (Bot.), a genus of trees (Conocarpus), furnishing dura…
CAMOMILE; CHAMOMILE n.
A genus of herbs (Anthemis) of the Composite family. The common camomile, A. nobilis, is used as a popular remedy. Its flowers have a strong and fragrant and a bitter, aromatic taste. They are tonic, febrifugal, and in large doses emetic, and the volatile oil is carminative.