Encara no tenim significats per a "be a yowl".
1There was a yowl, a struggle on the grass outside, and then--
2The screens glared white and there was a yowl of static, and we were still alive.
3There was a yowl from the darkness.
4There was a yowl, and an invisible weight must have thumped onto her back, for she staggered and nearly fell.
5Next instant there was a yowl of dismay and the adored gift of Lucille fell several feet away from the bench.