Modifies a noun

• ring: I will treat you like a signet ring on my finger, says the LORD, for I have specially chosen you.

• cell: Signet ring cell histology did not impact survival in our group of largely advanced gastric cancer cases.

• book: Signet Books No 1 - What's the Garbage Doing on the Stove?

• histology: Signet ring cell histology did not impact survival in our group of largely advanced gastric cancer cases.

• carcinoma: This is the combination of a signet ring cell carcinoma ( a cancer, probably of the stomach ) associated with extensive thrombotic changes.

Noun used with modifier

• gold: Among the items in the collection is a miniature medieval mermaid and an inscribed gold signet ring.