燕尾榫 /yànwěisǔn/ angolul

dovetail [dovetails]▼(type of joint where adjoining components are fastened by multiple tenons cut into wedge shapes resembling a dove’s tail, which interlock with mortises having corresponding shapes)
noun
[UK: ˈdʌv.teɪl] [US: ˈdʌv.ˌtel]