a clambering tree, Hibiscus tileaceus, of tropical shores, having leathery, ovate leaves and yellow flowers that turn dark red as they fade, and yielding a fiber used as cordage.
Origin of hau tree
First recorded in 1910–15, hau tree is from the Hawaiian word hau hau tree
Also called mahoe, sea hibiscus.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019