dall's por;poisefunction: noun etymology: w. h. dalldate: 1951 : a black-and-white porpoise (phocoenoides dalli) of temperate and arctic waters of the rim of the north pacific ocean —called also dall porpoise
dale pronunciation: function: noun etymology: middle english, from old english d?l; akin to old high german tal valley, welsh d?ldate: before 12th century : valley, vale lt;went riding over hill and dalegt;