The term 'large number' can be defined in MANY ways, with the crossword solutions providing a variety of words to describe it. These include HERD (4 letters), SEA (3 letters), zillion (7 letters), googolplex (10 letters), billion (7 letters), MANY (4 letters), HEAPS (5 letters), TRILLION (8 letters), TON (3 letters), HOST (4 letters), PILE (4 letters), RAFT (4 letters), SCAD (4 letters), SLEW (4 letters), ARRAY (5 letters), BUNCH (5 letters), CROWD (5 letters), HORDE (5 letters), OCEAN (5 letters), SCADS (5 letters), MILLION (7 letters), and THOUSAND (8 letters). Each of these words can be used to describe a large number, with some referring to specific amounts such as a billion or a TRILLION, while others are more general terms like MANY, HEAPS, and tons.