The term 'Large Horns' can be summarized by the crossword solution 'TUBA', which is a four-letter word. The TUBA is a large, conical brass instrument that is part of the brass family. It is the largest and lowest-pitched instrument in the family, and its sound is characterized by a deep, rich tone. The TUBA is often used in orchestras, marching bands, and jazz ensembles, and is an essential part of any large horn section.