 Summer of '69  is a song recorded by Canadian recording artist Bryan Adams, from his fourth studio album, Reckless (1984). The song was written by Adams and Jim Vallance, a long-time writing partner of Adams.
â¢ UNDULATION (noun). The noun UNDULATION has 3 senses: 1. an undulating curve. 2. wavelike motion; a gentle rising and falling in the manner of waves. 3. (physics) a movement up and down or back and forth. Familiarity information: UNDULATION used as a noun is uncommon.
Princeton's WordNet(0.00 / 0 votes)Rate this definition: 1  swell, crestless wave(noun) the undulating movement of the surface of the open sea. 2  swell(noun) a rounded elevation (especially one on an ocean floor) 3  swell(noun) a crescendo followed by a decrescendo.