天てん竺じく鼠ねずみMeaningsNoun1. guinea pig (any of five guinea pig species, esp. Cavia porcellus) (Usually kana)Kanji used天heaven竺bamboo cane鼠mousePitch accentてんじくねずみComposed of天てん竺じくcotton sheeting; foreign; imported; ultra-spicy; extra hotNoun鼠ねずみmouse; rat; dark gray; slate grayNoun