线脚 Traditional form: 線腳 Pinyin (reading): xiànjiǎo Definitions: seam; stitching decorative trim; molding (used to conceal joints in architecture or interior design) Characters: 线 - line, thread, wire; clue, trail 脚 - leg, foot; foundation, base Traditional characters: 線 - line, thread, wire; clue, trail 腳 - leg, foot; foundation, base