Verb start out has 2 senses
  1. get down, begin, get, start out, start, set about, set out, commence - take the first step or steps in carrying out an action; "We began working at dawn"; "Who will start?"; "Get working as soon as the sun rises!"; "The first tourists began to arrive in Cambodia"; "He began early in the day"; "Let's get down to work now"
    Sample sentences:
    Something ----s
    Somebody ----s
    Somebody ----s something
    Somebody ----s to INFINITIVE
    Somebody ----s VERB-ing
  2. depart, part, start, start out, set forth, set off, set out, take off - leave; "The family took off for Florida"
    --2 is one way to leave, go forth, go away
    Sample sentence:
    The children start out to the playground