Source : Webster's Revised Unabridged Dictionary (1913)

Shop \Shop\, v. i. [imp. & p. p. {Shopped}; p. pr. & vb. n.
   {Shopping}.]
   To visit shops for the purpose of purchasing goods.

         He was engaged with his mother and some ladies to go
         shopping.                                --Byron.

Shop \Shop\, obs.
   imp. of {Shape}. Shaped. --Chaucer.

Shop \Shop\, n. [OE. shoppe, schoppe, AS. sceoppa a treasury, a
   storehouse, stall, booth; akin to scypen a shed, LG. schup a
   shed, G. schoppen, schuppen, a shed, a coachhouse, OHG.
   scopf.]
   1. A building or an apartment in which goods, wares, drugs,
      etc., are sold by retail.

            From shop to shop Wandering, and littering with
            unfolded silks The polished counter.  --Cowper.

   2. A building in which mechanics or artisans work; as, a shoe
      shop; a car shop.

            A tailor called me in his shop.       --Shak.

   Note: Shop is often used adjectively or in composition; as,
         shop rent, or shop-rent; shop thief, or shop-thief;
         shop window, or shop-window, etc.

   {To smell of the shop}, to indicate too distinctively one's
      occupation or profession.

   {To talk shop}, to make one's business the topic of social
      conversation; also, to use the phrases peculiar to one's
      employment. [Colloq.]

   Syn: Store; warehouse. See {Store}.

Shop \Shop\, n.
   1. A person's occupation, business, profession, or the like,
      as a subject of attention, interest, conversation, etc.;
      -- generally in deprecation.

   2. A place where any industry is carried on; as, a chemist's
      shop; also, (Slang), any of the various places of business
      which are commonly called offices, as of a lawyer, doctor,
      broker, etc.

   3. Any place of resort, as one's house, a restaurant, etc.
      [Slang, Chiefly Eng.]

Source : WordNet®

shop
     n 1: a mercantile establishment for the retail sale of goods or
          services; "he bought it at a shop on Cape Cod" [syn: {store}]
     2: small workplace where handcrafts or manufacturing are done
        [syn: {workshop}]
     3: a course of instruction in a trade (as carpentry or
        electricity); "I built a birdhouse in shop" [syn: {shop
        class}]
     [also: {shopping}, {shopped}]

shop
     v 1: do one's shopping; "She goes shopping every Friday"
     2: do one's shopping at; do business with; be a customer or
        client of [syn: {patronize}, {patronise}, {shop at}, {buy
        at}, {frequent}, {sponsor}] [ant: {boycott}, {boycott}]
     3: shop around; not necessarily buying; "I don't need help, I'm
        just browsing" [syn: {browse}]
     4: give away information about somebody; "He told on his
        classmate who had cheated on the exam" [syn: {denounce}, {tell
        on}, {betray}, {give away}, {rat}, {grass}, {shit}, {snitch},
         {stag}]
     [also: {shopping}, {shopped}]