закрепи́ть

uncommon #9202

verbperfective imperfective is закрепля́ть

1.
to fasten, to secure, to attach, to fix in place
Он закрепи́л полку на стене.
He fastened the shelf to the wall.
Of ropes, boards, parts: to make something stay firmly in place.
2.
to consolidate, to strengthen, to reinforce
Пое́здка закрепи́ла на́шу дру́жбу.
The trip strengthened our friendship.
Of abstract things: to make firmer and more lasting.
3.
to assign (to), to allot, to appoint
Э́тот кабине́т закрепи́ли за на́ми.
This office has been assigned to us.
Usually закрепить что-л. за кем-л.

Examples

Арматурщик закрепил металлические прутья перед бетонированием.
The reinforcing-steel fitter secured the metal rods before the concrete was poured.
Сползавшийся вниз ковер мы закрепили скотчем.
We secured the carpet that was slipping down with tape.
Матрос поднялся на рей и закрепил парус.
The sailor climbed onto the yard and secured the sail.
Договор просто закрепил статус-кво.
The agreement merely formalized the status quo.
Капитан приказал закрепить парус на бизань-мачте.
The captain ordered the sail to be secured to the mizzenmast.
Перемещаемый груз надо закрепить ремнями.
The load being moved must be secured with straps.
Перевиваемые провода нужно аккуратно закрепить.
The intertwined wires need to be secured carefully.
Рабочий закрепил деталь на станине.
The worker secured the part to the machine bed.

Note: Stress change.

Imperative
ты	закрепи́
вы	закрепи́те

Active present	-
Active past	закрепи́вший	having fixed, having secured, having fastened
Passive present	-
Passive past	закреплённый	fixed, fastened, secured
Gerund present	-
Gerund past	закрепи́в закрепивши закрепя́	while doing (past)