十七【じゅうしち】
17, seventeen
七七日【しちしちにち】
49th day after death
二七日【ふたなぬか】
second week's memorial services
七つ【ななつ】
seven, seven years of age, four o'clock (old time system)
七夕【たなばた】
Star Festival (held in July or August), Tanabata, Festival of the Weaver
七草【ななくさ】
the seven spring flowers, the seven fall flowers, the seven autumn flowers, the seventh of January, Festival of Seven Herbs
七回忌【しちかいき】
sixth anniversary of a death
七宝【しっぽう】
the seven treasures (gold, silver, pearls, agate, crystal, coral, lapis lazuli), cloisonne ware, shippō pattern (of overlapping circles), shippō emblem
七色【なないろ】
seven colours (of the rainbow), prismatic colors, blend of seven spices (cayenne, sesame, Japanese pepper, citrus peel, etc.)
七面鳥【しちめんちょう】
turkey (Meleagris gallopavo)
七福神【しちふくじん】
Seven Gods of Fortune, Seven Deities of Good Luck, Seven Lucky Gods
七不思議【ななふしぎ】
seven wonders (of a particular area), total mystery, enigma, conundrum
七五三【しちごさん】
festival (shrine visit) by children aged 7, 5 and 3, lucky numbers 7, 5 and 3
七三【しちさん】
7 or 3 ratio, hair parted on one side