no-see-um (n?-s???m)n. See biting midge.[Alteration of no see them.]American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.punk?ie (?p?? ki) n. any of the minute biting gnats of the family Ceratopogonidae; biting midge; no-see-um. [1760?70, Amer.;