螭首

chīshǒu
hornless dragon head (used as ornamentation, esp. gargoyles)

CEDICT

螭兽头部形貌的凋刻，通常刻于钟鼎、彝器、印章、碑首、石阶、石柱等处，作为装饰之用。

重編國語辭典

Entry Composition

1 螭 chī
  1. dragon with horns not yet grown (in myth or heraldry)
  2. variant of 魑 chī
2 首 shǒu
  1. head
  2. chief
  3. first (occasion, thing etc)
  4. classifier for poems, songs etc