phenomenon of water freezing on trees and other plants, causing them to appear as if they have white flowers that are made of ice

to bloom / to make white waves appear

hypothetical and imperative forms of 咲く (saku) [godan]

ice (frozen water) / Short for 氷水 (kōrimizu): ice water; water filled with ice / Short for 氷襲 (kōrigasane): layered clothing with the front shining white and plain white at the back

(Internet slang, dated) Windows (an operating system)

a flower / Short for 生け花 (ikebana): flower arrangement / Short for 花札 (hanafuda): Japanese playing cards / the best days of one's life / the best thing / essence

window / (regional, dialect, Etchū region) a deep gap in a mountain ridge (so called for the way the wind blows through, like a window)

window

a surname / a female given name

hail (precipitated ice) / ice (frozen water)