подсе́чка

noun, feminine, inanimate, countable

very rarely used word (top 40,000)

1.
undercutting, cut, chop
Дерево упало после нескольких подсечек. - The tree fell after several undercuts.
2.
leg sweep, trip, foot sweep, undercut (in fencing)
Он сделал красивую подсечку и повалил противника. - He performed a beautiful leg sweep and took down his opponent.
3.
strike, setting the hook
Своевременная подсечка очень важна для успешной рыбалки. - Timely setting of the hook is very important for successful fishing.
4.
undercut, cutting
Подсечка позволила безопасно извлечь уголь. - The undercut allowed for safe coal extraction.

Declension