1. Sleeping for a short period of time (usually not in bed)
   "Arthur's taking a short zizz";
   - nap, catnap, light sleep, short sleep, forty winks [informal], snooze
    
2. A buzzing or whizzing sound
   "a nasty zizz in the engine"

1. Have a short sleep, esp. during the day
   "She zizzes everyday after lunch for an hour";
   - nap, catnap, catch a wink [informal], kip [Brit, informal], snooze, drowse, doze

Derived forms: zizzed, zizzing, zizzes

Type of: catch some Z's [N. Amer, informal], sleep, slumber, sound

Encyclopedia: Zizz