词根词缀：cultri-, cultr-

【来源及含义】Latin: knife

【同源单词】coulter, cultrate, cultriform, cultrirostral, cultrivorous

词根词缀：rostr-, rostro-, rostri-

【来源及含义】Latin: beak

【同源单词】angustirostral, birostrate, brevirostral, brevirostrate, conirostres, cultrirostral