Did you perchance mean parallax?
Sorry, no definitions found.
“The good lady had told me that there was a tenant of hers who lived in one of the cottages, which looked into the perllan, who, she believed, would be glad to go with me, and was just the kind of man I was in quest of.”
“After dinner I sat in an arbour in the perllan, thinking of many things, amongst others, spiritual.”
“Its front was towards a large perllan or orchard, which sloped down gently to the banks of the Dee; its back was towards the road leading from Wrexham, behind which was a high bank, on the top of which was a canal called in Welsh the Camlas, whose commencement was up the valley about two miles west.”
“Oh how sweetly their voice mingled with the low rush of the river, at the bottom of the perllan.”
Looking for tweets for perllan.