1) Telescope manufacturer 
Tasco (also known as Tasco Worldwide) is one of the major international distributors of telescopes. The company`s products mainly target telescope buyers that are amateur astronomers, but has grown to manufacture a large assortment of optical equipment, including terrestrial spotting scopes, microscopes, binoculars, telescopic sights, and other r....
• (n.) A kind of clay for making melting pots.
Tas'co noun [ Confer Spanish tasconio .] A kind of clay for making melting pots. Percy Smith.