Pipsissewa :: Pipsissewa (n.) A low evergreen plant (Chimaphila umbellata), with narrow, wedge-lanceolate leaves, and an umbel of pretty nodding fragrant blossoms. It has been used in nephritic diseases. Called also prince's pine..
Siss :: Siss (v. i.) To make a hissing sound; as, a flatiron hot enough to siss when touched with a wet finger..
Sissoo :: Sissoo (n.) A leguminous tree (Dalbergia Sissoo) of the northern parts of India; also, the dark brown compact and durable timber obtained from it. It is used in shipbuilding and for gun carriages, railway ties, etc..