名詞 obelisk:

1. a stone pillar having a rectangular cross section tapering towards a pyramidal top
2. a character used in printing to indicate a cross reference or footnote
   同義詞：dagger

ob.e.lisk

n.（名詞）
A tall, four-sided shaft of stone, usually tapered and monolithic, that rises to a point.
方尖石碑：升到一點的四面體高塔或碑石，常為尖頂和由整塊石料的
Printing The dagger sign (ô), used especially as a reference mark.Also called In this sense, also called dagger ,obelus
【印刷術】 劍號：劍號，尤其作參照符號用也作 在此意義上也可稱作 dagger,obelus

來源：
Latin obeliscus
拉丁語 obeliscus
from Greek obeliskos [diminutive of] obelos [a spit, obelisk]
源自 希臘語 obeliskos [] obelos的小后綴 [炙叉，方尖石]

【引伸】
ob.elis.cal
ob.elis.koid.