filled, as by objects, organisms, etc., especially in motion; teeming (usually used predicatively): The garden was aswarm with bees; a night sky aswarm with stars.
Origin of aswarm
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for aswarm
(postpositive) filled, esp with moving things; swarmingflower beds aswarm with bees
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012