The third meal, held on Saturday afternoon is called either shalosh seudos, seudah shlishit, or shaleshudus.
In most communities, the singing of "Eishet Chayil" is followed by kiddush, the Jewish practice of sanctifying the Sabbath over a cup of wine or grape juice.
[3] The meal then begins, with the head of the household lifting up two challah breads, and reciting the blessing of Hamotzi.
These help achieve the religious aspiration of transforming the domestic table into a recreation of the Temple altar; see Korban § Purpose.
To express that they followed the Oral Torah, the Pharisees (who followed of the Tannaim) specifically ate heated food on Shabbat.