NOUN (1)

1. a repeated order for the same merchandise;
- Example: "he's the one who sends out all the new orders and reorders"


VERB (2)

1. assign a new order to;

2. make a new request to be supplied with;
- Example: "The store had to reorder the popular CD several times"

The Collaborative International Dictionary of English v.0.48:

Reorder \Re*or"der\ (r?-?r"d?r), v. t.
   To order a second time.
   [1913 Webster]

WordNet (r) 3.0 (2006):

reorder
    n 1: a repeated order for the same merchandise; "he's the one
         who sends out all the new orders and reorders"
    v 1: assign a new order to
    2: make a new request to be supplied with; "The store had to
       reorder the popular CD several times"