名詞 stocker:

1. a domestic animal (especially a young steer or heifer) kept as stock until fattened or matured and suitable for a breeding establishment

形容詞 stock:

1. repeated too often; overfamiliar through overuse
   同義詞：banal, commonplace, hackneyed, old-hat, shopworn, stock, threadbare, timeworn, tired, trite, well-worn
2. routine
   同義詞：stock
3. regularly and widely used or sold
   同義詞：standard, stock