narrowing (part of speech: verb)
shortening (part of speech: verb)
- It was quite dark by this time, and Blair was keeping close to the shore to avoid the current narrowing between the piers of the old bridge. - "The Iron Woman", Margaret Deland.
- My profession, said the lawyer, can be made to be narrow and narrowing. - "Foes", Mary Johnston.
- Far up the river, beyond the village and the bridge, a level green meadow ran out, narrowing the channel; and here beneath the apple- trees- for the meadow was half an orchard- had been set out many lines of white- covered tables, at which the Mayers made innocently merry. - "The Mayor of Troy", Sir Arthur Thomas Quiller-Couch.