fishing weir
obstruction placed in tidal waters, or wholly or partially across a river, to direct the passage of, or trap fish
en-GB/ˈfɪʃɪŋ ˈwɪə/
en-US/ˈfɪʃɪŋ ˈwiɹ/
obstruction placed in tidal waters, or wholly or partially across a river, to direct the passage of, or trap fish