針しん葉ようしんようMeanings1nounneedle leaf; pine needleRefers to the needle-shaped leaves of conifers. Often used in compounds like 針葉樹 (conifer).See also: 針葉樹針しん葉よう樹じゅの針しん葉ようは細ほそくて硬かたい。The needles of conifers are thin and hard.