1. formal having the same pattern or features 〔图案或特征〕相同的
2.SGcoterminous countries share the same border 〔国家〕有共同边界的，毗邻的，接壤的
Examples from the Corpus
coterminous• With us privacy and kinship are felt to be roughly coterminous.• Coherent planning and coordination of health and social care would be facilitated by coterminous boundaries between the two authorities.• Keeping the principle of coterminous boundaries meant 90 health authorities, varying widely in population size.