bill, your mail server indicates your mailbox is full; so since you didn't get your daily wwftd, here it is:

the worthless word for the day is: isepiptesis

(eye-sep-e(p)-tee'-sis) [rare]
a line on a map or chart connecting localitites
reached at one date by different individuals of
a species of migratory bird (an isochronal line)

NL, from is- + epi- + Gr. ptesis, flight

(with an assist to Bill Hunt)