whole note

US /ˈhoʊl noʊt/
UK /ˈhoʊl noʊt/
"whole note" picture
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.
O compositor usou uma semibreve para indicar um som sustentado.
A whole note typically lasts for four beats in common time.
Uma semibreve geralmente dura quatro tempos em compasso simples.