whole note
US /ˈhoʊl noʊt/
UK /ˈhoʊl noʊt/

1.
semibreve
a musical note with the longest time value in common use, equal to four beats in 4/4 time
:
•
The composer used a whole note to indicate a sustained sound.
Il compositore ha usato una semibreve per indicare un suono prolungato.
•
A whole note typically lasts for four beats in common time.
Una semibreve dura tipicamente quattro battiti in tempo comune.