Question

what is the meaning of sains

Answer 1

Transitive verb

1 dialectal British : to make the sign of the cross on (oneself)

2 dialectal British : bless

Answer 2

$heya \: mate \\ \\ here \: is \: your \: answer$
sain

 (seɪn) or 

saine

vb

(Ecclesiastical Terms) (tr) archaic to make the sign of the cross over so as to bless or protect from evil or sin

[Old English segnian, from Latin signare to sign (with the cross)]