A simple dictionary using C++

#include <iostream>

#include <conio.h>

#include <cctype>

#include <cstring>

#define nl "\n";

using namespace std;

char *dic[][40] = {

    "atlas","A volume of maps.",

    "car","A motorized vehicle.",

    "telephone","A communication device.",

    "airplane", "A flying machine.",

    "",""

};

int main (){

    char word[80], ch;

    char **p;

    do{

         puts("Enter word : \n");

    cin >> word;

    p = (char **)dic;

    do{

        if(!strcmp(*p,word)){

            puts("Meaning :");

            puts(*(p+1));

            break;

        } //Mashrafe

        if(!strcmp(*p,word)){

            break;

        }

        p = p + 2;

    }while(*p);

    if(!*p){

        puts("Word not in dictionary.");

        cout <<"Another?(y/n) : " << nl;

        cin >> &ch;

    }

    }while(toupper(ch)!= 'N');  

    return 0;

}