Where does this definition of pillar box come from?
This entry for pillar box is sourced from Main Dictionary, one of the dictionaries and corpora merged into Lughet.
Is pillar box a noun, verb, or something else?
In this entry, pillar box is tagged as noun.
Does pillar box appear elsewhere on Lughet?
Yes — pillar box 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.