noun
marriage proposal; marriage talks
Refers to a formal discussion or offer of marriage, often in the context of arranged meetings (お見合い). Can be used for both the proposal itself and the ongoing negotiations between families.
彼女に縁談が持ち上がった。
A marriage proposal has come up for her.
両家の間で縁談が進んでいる。
Marriage talks are progressing between the two families.