hello

a word or phrase used to greet someone, especially when you meet them for the first time

hola, saludos

Collocations say hello to somebody

• She said a cheerful hello.

  Ella dijo un hola animado.

a wave of the hand used to greet someone or say goodbye

saludo con la mano, despedida con la mano

Collocations give somebody a hello

• He gave her a quick hello and left.

  Él le dio un rápido saludo con la mano y se fue.