/ pɔːl; NAmE / noun , verb
■ noun
1.
[ usually sing. ] pall of sth a thick dark cloud of sth :
a pall of smoke / dust
( figurative )
News of her death cast a pall over the event.
2.
a cloth spread over a coffin (= a box used for burying a dead person in)
■ verb
[ v ] (not used in the progressive tenses) pall (on sb) to become less interesting to sb over a period of time because they have done or seen it too much :
Even the impressive scenery began to pall on me after a few hundred miles.
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WORD ORIGIN
noun Old English pæll rich (purple) cloth , cloth cover for a chalice , from Latin pallium covering, cloak.
verb late Middle English : shortening of appal .