inside loop

NOUN
11 LETTERS · STARTS WITH I

inside loop is a valid 11-letter word worth 13 points in Scrabble and 16 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
I1N1S1I1D2E1L1O1O1P3
1 + 1 + 1 + 1 + 2 + 1 + 0 + 1 + 1 + 1 + 3 =13 PTS
DOUBLE WORD → 26TRIPLE WORD → 39
MEANING

What does inside loop mean?

NOUN · 1 SENSE
1

A loop consisting of a climb followed by inverted flight followed by a dive that returns to horizontal flight.