ADJECTIVE (2)

1. reduced in size as by squeezing together;
- Example: "his narrowed eyes"

2. made narrow; limited in breadth;
- Example: "narrowed arteries impair blood circulation"
- Example: "a narrowed view of the world"

The Collaborative International Dictionary of English v.0.48:

narrowed \narrowed\ adj.
   reduced in size as if by being squeezed.

   Syn: constricted.
        [WordNet 1.5]

The Collaborative International Dictionary of English v.0.48:

Narrow \Nar"row\, v. t. [imp. & p. p. Narrowed; p. pr. & vb.
   n. Narrowing.] [AS. nearwian.]
   1. To lessen the breadth of; to contract; to draw into a
      smaller compass; to reduce the width or extent of. --Sir
      W. Temple.
      [1913 Webster]

   2. To contract the reach or sphere of; to make less liberal
      or more selfish; to limit; to confine; to restrict; as, to
      narrow one's views or knowledge; to narrow a question in
      discussion.
      [1913 Webster]

            Our knowledge is much more narrowed if we confine
            ourselves to our own solitary reasonings. --I.
                                                  Watts.
      [1913 Webster]

   3. (Knitting) To contract the size of, as a stocking, by
      taking two stitches into one.
      [1913 Webster]

WordNet (r) 3.0 (2006):

narrowed
    adj 1: reduced in size as by squeezing together; "his narrowed
           eyes"
    2: made narrow; limited in breadth; "narrowed arteries impair
       blood circulation"; "a narrowed view of the world"