Ohh--kay..., I just tried to Search these words (in AWAD, not here), and got this:
Glimpse error
The search parameters caused an error in the call to Glimpse.
Please try your search again with different parameters.



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Output from Glimpse:
I have no idea what this means!

Anyway, I offer two words, for the sole reason that I've never heard either. I got the first in a PM, and the second in its definition. Both def.'s are from Atomica--I haven't the resources or knowledge for extensive look-up.

tunicate--
n.
Any of various chordate marine animals of the subphylum Tunicata or Urochordata having a cylindrical or globular body enclosed in a tough outer covering and including the sea squirts and salps.

adj.
Of or relating to the tunicates.
Anatomy. Having a tunic.
Botany. Having a tunic, as the bulb of an onion.
[Latin tunicātus, past participle of tunicāre, to clothe with a tunic, from tunica, tunic.

salp
n.
Any of various free-swimming tunicates of the genus Salpa, of warm seas, having a translucent, somewhat flattened, keglike body.

[From New Latin Salpa, genus name, from Latin, a kind of stockfish, from Greek salpē.]

sal'pi·form' (săl'pə-fôrm') adj.