This rare kanji has no clear standalone meaning. Treat its meaning as uncertain.
襣 combines 衤 (clothing) with 鼻 (nose). The exact historical development is uncertain, but it likely relates to a garment associated with the nose or face, possibly a loincloth or undergarment.
Clothing 衤 near the nose 鼻 suggests a garment worn low on the body, like a loincloth.
For ヒ, imagine a piece of clothing that makes you say 'hee' (ヒ) in surprise when you see how it's worn.