Heaving Verb Present participle of heave Full definition of heaving Adjective (informal ) crowded with people 2006, Tim Downie, "Ride Report: Bealach-na-Ba", uk.rec.cycling http://groups.google.com/group/uk.rec.cycling/browse_thread/thread/af08b5a62b82262c/192dcd8f8dca7b8e?lnk=st&q=%22was+heaving%22&rnum=7#192dcd8f8dca7b8e Kinlochewe was heaving with cyclists and their vehicles on Saturday morning but somehow, the organisers had found space for everyone and the main roads were kept clear. 2006, "Krusty", "Krusty's Holiday", uk.rec.motorcycles, http://groups.google.com/group/uk.rec.motorcycles/browse_thread/thread/f3c43a458f94a29b/bdff0eb3decbb853?lnk=st&q=%22was+heaving%22&rnum=99# The pool was heaving with screaming kids. By contrast the beach was virtually deserted, apart from the one day a cruise ship docked & a group of about 10 people appeared. 2007, "Jamie", "Hyde Park Calling 2007", "classic rock magazine readers", http://groups.google.com/group/classic-rock-mag-readers/browse_thread/thread/7a5dc153e8401fb9/e32feaabd9dc9423?lnk=st&q=%22was+heaving%22&rnum=8# At this time it was pissing down and by the time Joe Satriani cam on the tent was heaving with people just coming in to keep dry. Noun An occasion on which something heave s or is heaved 1884 , Edgar Allan Poe , The Raven Chapter , No swellings tell that winds may be Upon some far-off happier sea-- No heavings hint that winds have been On seas less hideously serene." 1893 , Thomas De Quincey , The Posthumous Works of Thomas De Quincey, Vol. II (2 vols) Chapter , His throne rocked with subterraneous heavings . 1895 , Owen Wister , The Dragon of Wantley Chapter , Then he set the jug down wrong side up, and remained glaring at it fixedly, while his chest rose and fell in deep heavings . © Wiktionary