寓喩 is read as ぐうゆ (guuyu) and means allegory.
ぐうゆ
guuyu
ぐうわ
fable
ぐうい
hidden meaning
ひゆ
simile
ていゆ
synecdoche
めいゆ
いんゆ
allusion
ちょくゆ
かんゆ
metonymy
おんゆ
mimetic word (esp. in manga)
ひゆひょうげん
figurative expression
ひゆてき
figurative
かんゆご
metonym