noun
treasure ship
A ship carrying treasure, often in folklore or New Year's imagery.
七福神を乗せた宝船の絵を枕の下に敷いて寝ると、良い初夢が見られるという。
It is said that if you sleep with a picture of a treasure ship carrying the Seven Gods of Good Fortune under your pillow, you will have a good first dream of the year.
noun
picture of a treasure ship with the Seven Gods of Good Fortune
Specifically a New Year's talisman picture; often placed under the pillow for a lucky first dream.
お正月に宝船の絵を買って、枕の下に入れた。
I bought a picture of a treasure ship at New Year's and put it under my pillow.