- any tropical tree or shrub of the genus Rhizophora, the species of which are mostly low trees growing in marshes or tidal shores, noted for their interlacing above-ground adventitious roots.
- any of various similar plants.
- any tropical evergreen tree or shrub of the genus Rhizophora, having stiltlike intertwining aerial roots and growing below the highest tide levels in estuaries and along coasts, forming dense thickets: family Rhizophoraceae
- (as modifier)
- any of various similar trees or shrubs of the genus Avicennia: family Avicenniaceae
