宝ほう鑑かん

noun

handbook; manual; encyclopedia

Often used in book titles to suggest a comprehensive or authoritative guide.

• この『家か庭てい医い学がく宝ほう鑑かん』は一いっ家かに一いっ冊さつあると便べん利りだ。

  This 'Home Medical Handbook' is useful to have one per household.

noun

precious mirror

Literal meaning of the kanji; rare standalone use, mostly found in poetic or historical contexts.

• 古ふるい寺てらの宝ほう鑑かんは、曇くもりなく磨みがかれていた。

  The precious mirror of the old temple was polished to a flawless shine.