What does «ora» mean in Spanish?

Shortening (by apheresis) of "now". It is a distributive conjunction.

Examples of use in Spanish: "Caminaba ora por el monte, ora por el valle".

"ora reían, ora lloraban".

"Tomando ora la espada, ora la pluma".
Now, at this moment, in a short time.

♦ Used in: Dominican Republic - Guatemala
Variant of "órale", expressing astonishment, acceptance or exhortation.

♦ Used in: Mexico

Examples of use in Spanish: "¡ora, qué grande resultó!".
Interjection of surprise or surprise.

♦ Used in: Colombia