luggage-rack

n (a) shelf for luggage above the seats in a railway carriage, coach, etc （火车或长途汽车等的）行李架. (b) = roof-rack (roof).

luckily, luckless, lucky, lucky dip, lucrative, lucratively, lucrativeness, lucre, Lucretius, lucubration, Luddite, ludicrous, ludicrously, ludicrousness, ludo, luff, luffa, lug, luge, luggage, luggage-van, lugger, lugubrious, lugubriously, lugubriousness, lugworm, lukewarm, lull, lullaby, lumbago, lumbar, lumbar puncture, lumber, lumber-jacket, lumber-room, lumberjack, lumen, luminary, luminosity, luminous,