Nibble

nibble

(unit of memory equal to half a byte, or chiefly four bits)

quartet

(unit of memory equal to half a byte, or chiefly four bits)

semioctet

(unit of memory equal to half a byte, or chiefly four bits)

tétrade

(unit of memory equal to half a byte, or chiefly four bits)

grignoter

((transitive) to take a small, quick bite, or several of such bites, of (something); (intransitive) to take a small, quick bite, or several of such bites; to eat (at frequent intervals) with small, quick bites)