目玉【めだま】
eyeball, special feature, centerpiece, showpiece, drawcard, special program, loss leader, sunny-side up fried egg
お年玉【おとしだま】
New Year's gift (usu. money given to a child by relatives and visitors)
目玉商品【めだましょうひん】
bargain goods, loss leader, eye-catching goods, featured product
珠玉【しゅぎょく】
jewel, gem, gem (of a story, essay, etc.), accomplished work, beautiful piece
水玉【みずたま】
drop of water, polka dots