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

Учитель дал упражнения, чтобы закрепить новые слова.
The teacher gave the students exercises to reinforce the new words.
Плотник закрепил стропило гвоздями.
The carpenter fastened the rafter with nails.
Матрос закрепил причальный канат на берегу.
The sailor secured the mooring rope on the shore.
Договор просто закрепил статус-кво.
The agreement merely formalized the status quo.
Матрос закрепил фок перед выходом в море.
The sailor secured the foresail before heading out to sea.
Матросы закрепили перлинь на носу корабля.
The sailors secured the hawser at the bow of the ship.
Стругаемый брусок закрепили в тисках.
The block being planed was secured in a vise.
Мастер закрепил деталь на оправке.
The craftsman secured the workpiece on a mandrel.

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)