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).
Wiktionary(0.00 / 0 votes)Rate this definition: 1  gross(Noun) A unit of amount = twelve dozen = 144 pcs. 2  gross(Noun) The total nominal earnings or amount, before taxes, expenses, exceptions or similar are deducted. That which remains after all deductions is called net. 3  gross(Noun) The bulk, the mass, the masses.