(1)水路；水道
置于岸边用以测量水流高度的水量计被称为「aquagaugium」。

(2)水渠；水沟
尤指沼泽地中的水渠。

(3)通行税
通过水路所付的费。

• real estate corporation
• Real Estate Investment Act
• real(-)estate investment trust/REIT
• real estate listing
• real-estate-mortgage investment conduit/REMIC
• real-estate mortgage trust/REMT
• real-estate partnership
• real-estate pool
• Real Estate Settlement Procedures Act of 1974/RESPA
• real estate syndicate
• real estate tax
• real evidence
• real fixture
• re aliena
• realignment
• real income
• real injury
• reality of laws
• realization account
• realize
• realized
• realized gain
• realized loss
• realizing on security
• real law