All 10 Uses of

approach
in
The Hound of the Baskervilles

Sometimes it seemed impossible that he should fail to hear our approach.
Chpt 9

approach = getting near

A boulder of granite concealed our approach, and crouching behind it we gazed over it at the signal light.
Chpt 9 *

Then once more the footsteps approached and a shadow fell across the opening of the hut.
Chpt 11

approached = came near

A square balustraded gallery ran round the top of the old hall, approached by a double stair.†
Chpt 6

The woman who approached me was certainly that, and of a most uncommon type.†
Chpt 7

As I approached the hut, walking as warily as Stapleton would do when with poised net he drew near the settled butterfly, I satisfied myself that the place had indeed been used as a habitation.†
Chpt 11

Together we made our way down the precipitous slope and approached the body, black and clear against the silvered stones.†
Chpt 12

A figure was approaching us over the moor, and I saw the dull red glow of a cigar.†
Chpt 12

On seeing him lying still the creature had probably approached to sniff at him, but finding him dead had turned away again.†
Chpt 15

Definitions:

(1) (approach as in: approached the city)
to get closer to (near in space, time, quantity, or quality)
(2) (approach as in: use the best approach)
a way of doing something; or a route that leads to a particular place
(3) (approach as in: approached her with the proposal)
to begin communication with someone about something -- often a proposal or a delicate topic
(4) (meaning too rare to warrant focus)
meaning too rare to warrant focus:

More rarely (and typically only in classic literature), the phrase nearest approach to as used in "her nearest approach to an apology" or "her nearest approach to a smile" typically means that "something is as close to something else as it ever gets." "As near an approach to" can have a similar meaning.