/pæp; pæp/
n [U]
1 soft or semi-liquid food suitable for babies or invalids （幼儿或病人的）软食, 半流质食物.
2 undemanding, trivial or worthless reading-matter 浅显的、无聊的或无价值的读物
*How can you bear to read such pap! 这样无聊的读物你怎能看得下去!

n[U]
[Date: 1300-1400; Language: Old French;Origin: papa, from Latin pappa]
films, programmes, books etc that are badly made or badly written, are intended for entertainment only, and have no serious value
　Hollywood produces a lot of pap.
especially BrE very soft food that does not have a strong taste, like the food that babies eat
→Pap smear