Stylo is defined as pointed or sharp.
An example of stylo is stylophone which is a miniature synthesizer that is operated by a pointed stylus.
pointed, sharp: stylograph
also, before a vowel, styl-
Origin of stylo-; from Classical Latin stylus, for stilus, pointed instrument: see style
or styli– or styl–
Origin of stylo-From Latin stilus, stylus, stake, stem, style; see stylus.