Sentence:  From each <WSD>pennoned</WSD> pinnacle / Of the cities of the free, / Clasped in time invisible, / Flows the wonder flown to thee; / Thou so swift to throb and start / With the singing earth's new heart! 
Meaning of the word marked with <WSD> tags:  Bearing one or more pennons (of a pole, spear, mast, etc.).