Noun

(countable) Any of various tropical American evergreen trees, of the genus Swietenia , having a valuable hard red-brown wood.

(uncountable) The wood of these trees, mostly used to make furniture.

*{{quote-book, year=1963, author=(Margery Allingham)

, title=(The China Governess) , chapter=Foreword citation , passage=A very neat old woman, still in her good outdoor coat and best beehive hat, was sitting at a polished mahogany table on whose surface there were several scored scratches so deep that a triangular piece of the veneer had come cleanly away, […].}}

A reddish-brown color, like that of mahogany wood.

A table made from mahogany wood.

* 1842 , Dublin University Magazine: A Literary and Political Journal

Poets eat and drink without stint — and seldom at their own cost — for what man of mark or likelihood in the moneyed world is there, who is not eager to get their legs under his mahogany ?

Noun

(en noun)

(countable, uncountable) the USDA-preferred term for the species Sequoia sempervirens .

A redwood grove

This redwood deck will last forever

(countable) any of the evergreen conifers belonging to the genus Sequoia in the wide sense.

(uncountable) the wood of the species Sequoia sempervirens .

This planter is made of redwood .

(uncountable, British, obsolete) Wood of the species Pinus sylvestris .