A water plant is a type of plant that lives in or near water, such as a river, lake, pond, or wetland. The crossword solutions for the term 'water plant' include 'RUSH' (4 letters), 'ALGA' (4 letters), 'REED' (4 letters), 'alisma' (6 letters), 'SEDGE' (5 letters), 'LOTUS' (5 letters), 'ARROWHEAD' (9 letters), and 'AQUATIC' (7 letters). RUSH, ALGA, REED, and SEDGE are all types of AQUATIC plants that grow in shallow water, while alisma, LOTUS, ARROWHEAD, and AQUATIC are all types of emergent plants that grow in deeper water.