KanjiJLPT N2
Dry

dry, parch, ebb, recede, interfere, intercede

Mnemonic

A bare rack left out to dry your clothes.

Details

The keyword for 干 is dry. This kanji represents the concept of drying out or being devoid of moisture. It can also carry the extended meaning of interfering or meddling in someone's affairs, as well as relating to defensive shields in ancient usage. Its most common modern use pertains to things that have been dried, desiccated, or exposed to air and sun to remove water.
On'yomi
かん
Kun'yomi
ほ.す、ほ.し-、-ぼ.し、ひ.る