It means that the name is NOT available for sale. ICM Registry reserved a variety of names in its TLDs pursuant to obligations from ICANN, as well as some names it elected to reserve for best practices purposes (e.g. child protection names, etc.).
If the reserved name says its a Premium Name, then that name is available for sale - please refer to our Premium Page to find out what names are available under our Premium Name Program: http://icmregistry.biz/domains/premium/