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: gross (Noun) A unit of amount = twelve dozen = 144 pcs. 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. gross (Noun) The bulk, the mass, the masses. gross (Verb)