roundside adverb 2noun 1verb 1forms 3 adverb2 •On the curved side.For example, K values for cylinders settling roundside decrease as the length of the cylinder increases for a fixed cross-sectional area. — 1984 •All around.He said, 'Then you can do anything you want to me upside, downside, roundside. But remember I can't promise that I'll stay.' — 1970 noun1 •A curved or rounded side.Test the machine out as follows : Place a piece of rubber dam into the small base of the machine, and seat the flask roundside up into this base — 1918 verb1 •To stay close to home or base, avoiding fieldwork.Wintertime a telegraph man had to roundside and overhaul equipment, unless the country happened to be the kind where the deep snows held off and let a post-hole digger get at his doings. — 1953 formsroundsided · roundsiding · roundsides