Refers to the act of licking or a stroke of the tongue.
El perro le dio una lenguetada a su dueño, mostrando su cariño y lealtad.
The dog gave his owner a lick, showing his affection and loyalty.
La lenguetada del gato me hizo reír por lo inesperada que fue.
The cat's lick made me laugh because of how unexpected it was.