Ice pillar | Article about ice pillar by The Free Dictionary
ice pillar[′īs ‚pil·ər]
A column of glacial ice covered with stones or debris which tend to protect the ice from melting.
References in periodicals archive
On a hot, humid day, ice pillars
were set up at the Nippon Budokan where the ceremony was held, because the use of air conditioning was reduced to conserve energy.
The ice pillars
are then put in place to give extra strength to the self-supporting snow arches.