from The Century Dictionary.
- noun A folding or clasp-knife.
- noun A razor.
Sorry, no etymologies found.
She, too, was skilled in interpreting and manipulating the influence that supernatural elements had on the human body: ... "from [one's] teeth she pulls worms, and from other parts of the body, paper, flint, obsidian (navaja de la tierra), removing these things, she says that she cures the sick, this being a falsity and notorious superstition."
Andrés had long practised the _navaja_ under one of the best teachers in Seville, as at
"Very wise was I, and prudent, for but three minutes since did I see him, and in his throat la navaja de la ramera Holandesa."
 In the folds of the sash is concealed the 'navaja,' or formidable clasp-knife, always worn by the Spaniard.
He is altogether too much in appearance and too little in effectuality of the stage Spaniard -- black garments, black upturned moustache, hook-nose, _navaja_, and all the rest of it.
[...] algunos, la creación de esta denominada navaja suiza de las comunicaciones ha generado un entusiasmo popular tan grande que nos sugiere pensar que Google es hoy lo que Apple [...]
= naufragar (se) =, to wreck (to be shipwrecked) = navaja de afeitar =, razor