girth¹ /ɡɜːθ/ n. | vt. | vi.I n. 1. (树的)干围；(腰身等的)围长 the girth of a tree 树的干围 the girth of a ship 船体横截面周长 for the man of large girth 适合大腰围男子的 She is rather large in girth. 她的腰围很大。 2. (马等的)肚带；腰带；带子 3. 大小；尺寸 The river was twice its usual girth. 河面宽为平时的两倍。 II ❶ vt. 1. 用肚带固定(马鞍等) 2. 〈古〉围绕；包围 3. 量…的围长(或周长) ❷ vi. 量得围长 [< ON gjörth belt]