hot-air balloon

= balloon 2.

hostage, hostel, hosteller (US hosteler), hostelry, hostess, hostile, hostile a., hostilely, hostility, hot, hot cake, hot cross bun, hot dog, hot favourite, hot gospeller, hot line, hot money, hot rod, hot spring, hot(title), hot-blooded, hot-headed, hot-headedly, hot-headedness, hot-tempered, hot-water, hotbed, hotchpotch, hotdog, hotel, hotelier, hotelling, hotfoot, hothead, hothouse, hotly, hotplate, hotpot, hotshot, hound,