名詞 death-watch:

1. minute wingless psocopterous insects injurious to books and papers
   同義詞：booklouse, book louse, deathwatch, Liposcelis divinatorius
2. bores through wood making a ticking sound popularly thought to presage death
   同義詞：deathwatch beetle, deathwatch, Xestobium rufovillosum