Where does this definition of leap second come from?
This entry for leap second is sourced from GetWord Corpus, one of the dictionaries and corpora merged into Lughet.
Is leap second a noun, verb, or something else?
In this entry, leap second is tagged as 2n..
Does leap second appear elsewhere on Lughet?
Yes — leap second appears under other sources or language pairs in Lughet's collection. See the list below.
What is Lughet?
Lughet is a free trilingual dictionary covering nearly five million entries across Uyghur, Chinese, and English, drawn from more than ten source dictionaries and corpora.