Meaning of 撈 in Japanese

Words related to 撈

ぎょろう(gyorou) 【漁撈】

かいていろうげつ(kaiteirougetsu) 【海底撈月】

(n) totally useless (fruitless) effort; wasting time on an impossible task (like trying to scoop up a reflected moon from the bottom of the sea)

はいていらおゆえ(haiteiraoyue) 【海底撈月】

(n) Haitei winning hand in mahjong; winning on the last tile drawn from the wall; scooping the moon from the bottom of the sea