You don't need a protocol "Swiss Army Knife", curl, to query dictd servers. The protocol is so simple, netcat or any other TCP client works just as well.

   echo -e DEFINE all $1 $2 $3 $4 $5 $6 $7 '\n' QUIT|nc -vvn 216.18.20.172 2628|col -bx|less

   echo -e MATCH all prefix $1 '\n' QUIT|nc -vvn 216.18.20.172 2628|col -bx|less