refectory table vs dining table

refectory table and dining table both are nouns.

Word	Noun	Adjective	Verb	Adverb
refectory table	Yes	No	No	No
dining table	Yes	No	No	No

As nouns, dining table is a hypernym of refectory table; that is, dining table is a word with a broader meaning than refectory table:

refectory table: a long narrow dining table supported by a stretcher between two trestles
dining table: a table at which meals are served

Other hypernyms of refectory table include board.

refectory table (noun)	dining table (noun)
a long narrow dining table supported by a stretcher between two trestles	a table at which meals are served