noun
black rim; black edge
Refers to a black border or frame, often used for glasses, picture frames, or decorative edges.
彼は黒縁の眼鏡をかけている。
He wears black-rimmed glasses.
その写真立ては黒縁でシンプルだ。
That photo frame has a simple black border.
Compound of 黒 (くろ, 'black') and 縁 (ふち, 'rim, edge').