nipa /ˈniːpə/ noun4 •A palm tree of the species Nypa fruticans. •The leaves of the nipa palm, when used as a material for thatching, basketry or other uses.It was a fine afternoon for a siesta because it rained in torrents for the rest of the day and the patter of rain on nipa thatch is a soothing sound. — 1914 •A liquor made from the sap of nipa palms. •Distichlis palmeri, a saltgrass native to the Sonoran Desert of Mexico and the United States, Palmer's grass.The perennial saltgrass nipa (Distichlis palmeri, Poaceae) is endemic to northern Gulf of California tidal marshes flooded with hypersaline seawater. — 2012 formsnipas