Definition of "waterleaf" in English

noun

1. (botany) Any plant of the genus Hydrophyllum.

2. (botany) Any plant of Hydrophyllaceae, the waterleaf family.

3. A tropical plant (Talinum fruticosum), the leaves of which are eaten as a vegetable.

4. (architecture) A leaf-shaped decoration used on the capitals of columns in late 12th-century Romanesque architecture

5. (paper technology) An absorbent unsized paper, somewhat like blotter paper.