n.
Function: intransitive verb
Date: 1909
1 : to leap or plunge like a porpoise <penguins ⋯ porpoise out of the water ― David Lewis>
2 : to rise and fall repeatedly
n.
Function: intransitive verb
Date: 1909
1 : to leap or plunge like a porpoise <penguins ⋯ porpoise out of the water ― David Lewis>
2 : to rise and fall repeatedly
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012