Intaglio has 4 different meanings across 1 category:
Noun
a printing process that uses an etched or engraved plate; the plate is smeared with ink and wiped clean, then the ink left in the recesses makes the print
glyptic art consisting of a sunken or depressed engraving or carving on a stone or gem (as opposed to cameo)
A design or piece of art which is engraved or etched into something.
To engrave or etch using intaglio.