The word might also have been used for a receptacle near the guns where powder and balls were kept.
( ( The word ) ( ( ( might also ) ( have ( been ( ( used ( for ( ( a receptacle ) ( near ( the guns ) ) ) ) ) ( where ( ( ( powder and ) balls ) ( were kept ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN word)) (VP (MD might) (ADVP (RB also)) (VP (VB have) (VP (VBN been) (VP (VBN used) (PP (IN for) (NP (NP (DT a) (NN receptacle)) (PP (IN near) (NP (DT the) (NNS guns))))) (SBAR (WHADVP (WRB where)) (S (NP (NN powder) (CC and) (NNS balls)) (VP (VBD were) (VP (VBN kept))))))))) (. .)))
The word may have meant a number of things. 
( ( The word ) ( ( may ( have ( meant ( ( a number ) ( of things ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN word)) (VP (MD may) (VP (VB have) (VP (VBN meant) (NP (NP (DT a) (NN number)) (PP (IN of) (NP (NNS things))))))) (. .)))