Speech Difficulties in Down Syndrome. Down syndrome (DS) is an incurable genetic disorder that has a profound impact upon a personâs physical, mental, and social development. Children with DS have anatomical and physiological differences in the mouth and throat region that affect feeding, swallowing, and oral motor skills.
1 A gross refers to a group of 144 items (a dozen dozen or a square dozen).  A great gross refers to a group of 1728 items (a dozen gross or a cubic dozen).
Princeton's WordNet(1.00 / 1 vote)Rate this definition: 1  gross, 144(noun) twelve dozen. 2  gross, revenue, receipts(adj) the entire amount of income before any deductions are made. 3  gross(adj) before any deductions. 4  gross(adj) lacking fine distinctions or detail. 5  gross, porcine(adj) repellently fat.