Search Result for "cast-iron": 
Wordnet 3.0

ADJECTIVE (1)

1. extremely robust;
- Example: "an iron constitution"
[syn: cast-iron, iron]



The Collaborative International Dictionary of English v.0.48:

Cast-iron \Cast"-i`ron\, a.
   Made of cast iron. Hence, Fig.: like cast iron; hardy;
   unyielding.
   [1913 Webster]


WordNet (r) 3.0 (2006):

cast-iron
    adj 1: extremely robust; "an iron constitution" [syn: cast-
           iron, iron]