sinkhole, sink, swallow hole
(noun) a depression in the ground communicating with a subterranean passage (especially in limestone) and formed by solution or by collapse of a cavern roof
Source: WordNet® 3.1
sinkhole (plural sinkholes)
(geology) A hole formed in soluble rock by the action of water, serving to conduct surface water to an underground passage
Synonyms: cenote, doline, dolina, kettle hole (Britain), shakehole, sink (Britain), swallet (Britain), swallow hole
A depressed area in which waste or drainage collects.
(pinball) A hole in the playfield that rewards the player when the ball is guided into it.
(internet) A domain name server that has been configured to hand out non-routeable addresses for all domains, so that every computer that uses it will fail to get access to the real website.
(computer security) An attack which redirects requests - be it network or memory accesses - to a new location defined by the attacker.
Source: Wiktionary
19 June 2025
(noun) the condition of belonging to a particular place or group by virtue of social or ethnic or cultural lineage; “his roots in Texas go back a long way”; “he went back to Sweden to search for his roots”; “his music has African roots”
According to Guinness World Records, on 25 September 2016, the Birla Institute of Management Technology (India) in Uttar Pradesh, India, constructed the largest coffee cups pyramid consisting of 23,821 cups. They used paper takeaway coffee cups to build the pyramid.
