HARBINGER
[noun]
1. a person or creature who goes ahead and makes known the approach of another; herald.
2. anything that foreshadows a future event; omen; sign.
3. a person sent in advance of troops, a royal train, etc., to provide or secure lodgings and other accommodations.
[verb]
4. to act as harbinger to; herald the coming of.
IMPONDEROUS
[adjective]
having no weight or insignificant weight; very light.