- a tree or shrub that grows in chiefly tropical coastal swamps that are flooded at high tide. Mangroves typically have numerous tangled roots above ground and form dense thickets.
- Genera in several families, in particular Rhizophora and related genera (family Rhizophoraceae), and Avicennia (family Verbenaceae or Avicenniaceae)
early 17th century: probably from Portuguese mangue, Spanish mangle, from Taino. The change in the ending was due to association with grove