How do you pronounce 髓?

Q: How do you pronounce 髓? A: seoi5, e.g.

髓 (seoi5) — meaning, pronunciation, examples

髓 (seoi5, suǐ) — marrow; essence; quintessence; pith (soft interior of plant stem); resinous formation

髓結 (seoi5 git3) — pith knot (in timber)
髓腦 (seoi5 nou5) — brains; gray matter
髓過氧化物酶 (seoi5 gwo3 joeng5 faa3 mat6 mui4) — myeloperoxidase (aka MPO) (molecular biology)
髓鞘 (seoi5 ciu3) — myelin sheath (membrane surrounding axon of nerve cell)
垂手可得 (seoi4 sau2 ho2 dak1) — easily to get it; very easy to acquire, with no effort at all
歲晚 (seoi3 maan5) — end of or last few weeks of the lunar year