つらら
also: ひょうちゅう
つ
ら
ら
Meanings
1
icicle
usually written using kana alone
The common word for an icicle, a hanging spike of ice formed by dripping water that freezes.
A long icicle is hanging from the eaves.
It got warmer and icicles started falling.
2
ice pillar (for cooling a room)
Only when written 氷柱 · Only with reading ひょうちゅう
A pillar-shaped block of ice used historically to cool a room. This sense is restricted to the reading ひょうちゅう and is rare in modern usage.
In old houses, people placed an ice pillar in the room to keep cool in summer.
3
archaic
Only with reading つらら
Archaic meaning for つらら, simply 'ice'. Not used in modern Japanese; the standard word for ice is 氷 (こおり).
In old language, つらら could simply mean 'ice'.