The term 'LIGHT BLADE' is a combination of two words, 'LIGHT' and 'BLADE'. The first word, 'LIGHT', refers to the fact that the weapon is made of a LIGHT material, such as aluminum or titanium. The second word, 'BLADE', refers to the sharp edge of the weapon. The crossword solution for this term is 'Epee', which is a type of fencing sword. Epees are characterized by their triangular cross-section and long, thin blades. They are typically used in fencing competitions and are designed to be lightweight and maneuverable.