|an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.|
|the offspring of a zebra and a donkey.|
Ellis El·lis (ěl'ĭs), (Henry) Havelock. 1859-1939.
British psychologist and writer known for his pioneering works on sexuality, such as Studies in the Psychology of Sex (seven volumes, 1897-1928).