Noun deathwatch has 2 senses
  1. booklouse, book louse, deathwatch, Liposcelis divinatorius - minute wingless psocopterous insects injurious to books and papers
    --1 is a kind of psocopterous insect
    --1 is a member of Liposcelis, genus Liposcelis
    --1 has particulars: common booklouse, Trogium pulsatorium
  2. deathwatch beetle, deathwatch, Xestobium rufovillosum - bores through wood making a ticking sound popularly thought to presage death
    --2 is a kind of beetle
    --2 is a member of Anobiidae, family Anobiidae
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