iwashigumo
1. cirrocumulus cloud; mackerel sky
Noun
#326528
1. cirrocumulus cloud; mackerel sky
1. Of mackerel sky; Mackerel-sky
1. With mare's tails clouds
1. Mackerel sky.
1. It was not iwashi-kumo.; It was not a mackerel sky.
1. If/When sardines (clouds)
1. Probably mackerel sky.
1. Not cirrus clouds.
1. It's not mackerel sky.
1. If/when horse mackerel clouds