Today’s #kanji is 関, which is listed under its semantic element of #もんがまえ（門）. 関 used to be written as 關 and what is written inside (apparently the same meaning with 貫) is the phonetic element.
Meaning: barrier, scheme, to relate, etc.
Reading: カン、せき（ぜき）、かか*
関係（カンケイ）: n. (a) relation, (a) relationship, reference, a link, (a) connection
関心（カンシン）: n. interest, concern, attention
関節（カンセツ）: n. a joint; an articulation
機関（キカン）: n. an engine; a system, an organization, an institution; machinery, a structure, a body, etc.
税関（ゼイカン）: n. customs; a custom(s) house
相関（ソウカン）: n. correlation; interrelation; mutual relation
関所（せきショ）:n. a barrier, a checking station, a checkpoint
大関（おおぜき）: n. a sumo wrestler of the second highest rank
関（ぜき） is also used as a suffix after a sumo wrestler’s ring name
customary reading
関（かか）わる: to concern oneself in, to be concerned, to have a serious bearing upon…
- もんがまえ
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