Border, Silhouette, Summary, Features, Appearance
Noun
りんかく
涙で輪郭が霞んで見えました。
The outline grew hazy from my tears.
Trace the enclosure of a wheel on paper and you'll have drawn its outline.
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.