app.

Noun

appendix (plural appendices or appendixes)

1. (broadly, obsolete) Something attached to something else; an attachment or accompaniment.
   • Near-synonyms: ancillary, auxiliary

   Synonyms:

   addition, addendum, attachment, accessory, accompaniment, add-on, adjunct, affix, annex, infusion

2. A text added to the end of a book or an article, containing additional information.
   • Holonym: back matter

   Synonyms:

   supplement, addendum, codicil

3. The vermiform appendix.
4. Any process, prolongation, or projection.

   Synonyms:

   appendage

Noun

apprentice (plural apprentices)

1. A trainee, especially in a skilled trade.
   • To this end a well-equipped and keenly-run apprentice training school has been in operation at Eastleigh since 1958 and here apprentices are given a good grounding in a number of trades, followed by a thorough training in the trade to which they become allocated.1961 March, C. P. Boocock, “The organisation of Eastleigh Locomotive Works”, in Trains Illustrated, page 163
2. (historical) One who is bound by indentures or by legal agreement to serve a tradesperson, or other person, for a certain time, with a view to learn the art, or trade, in which his master is bound to instruct him.
3. (dated) One not well versed in a subject; a tyro or newbie.

See all 5 meanings of apprentice