diff --git a/README.md b/README.md
index 184c36b0d..21d6785a7 100644
--- a/README.md
+++ b/README.md
@@ -413,6 +413,10 @@ Currently, the `@compat` macro supports the following syntaxes:
 
 * `Unicode.isnumeric` is now available as `isnumeric` ([#25479]).
 
+* `vecnorm` and `vecdot` are now `Compat.norm` and `Compat.dot`, respectively, while the
+  old `norm(A::AbstractMatrix, p=2)` is now `Compat.opnorm` ([#27401]).  `import Compat: ⋅`
+  to get `Compat.dot` as the binary operator `⋅`.
+
 * `atan2` is now a 2-argument method of `atan` ([#27253]).
 
 ## New macros
@@ -644,3 +648,4 @@ includes this fix. Find the minimum version from there.
 [#27253]: https://github.com/JuliaLang/julia/issues/27253
 [#27258]: https://github.com/JuliaLang/julia/issues/27258
 [#27298]: https://github.com/JuliaLang/julia/issues/27298
+[#27401]: https://github.com/JuliaLang/julia/issues/27401
diff --git a/src/Compat.jl b/src/Compat.jl
index dea39c126..fb7b77da5 100644
--- a/src/Compat.jl
+++ b/src/Compat.jl
@@ -1925,6 +1925,17 @@ if VERSION < v"0.7.0-DEV.5278"
     export something
 end
 
+if !isdefined(LinearAlgebra, :opnorm) # julia#27401
+    opnorm(A::AbstractMatrix, p::Real=2) = LinearAlgebra.norm(A, p)
+    const norm = LinearAlgebra.vecnorm
+    const dot = LinearAlgebra.vecdot
+else
+    const opnorm = LinearAlgebra.opnorm
+    const norm = LinearAlgebra.norm
+    const dot = LinearAlgebra.dot
+end
+const ⋅ = dot
+
 # https://github.com/JuliaLang/julia/pull/27253
 @static if VERSION < v"0.7.0-alpha.44"
     Base.atan(x::Real, y::Real) = atan2(x, y)
diff --git a/test/runtests.jl b/test/runtests.jl
index 4a65f2caa..cdeb89103 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -1813,6 +1813,14 @@ let sep = Compat.Sys.iswindows() ? ';' : ':'
     end
 end
 
+# julia#27401
+import Compat: ⋅
+@test Compat.opnorm([1 2;3 4]) ≈ 5.464985704219043
+@test Compat.opnorm([1 2;3 4], 1) ≈ 6
+@test Compat.norm([1 2;3 4]) ≈ 5.477225575051661
+@test Compat.norm([1 2;3 4], 1) ≈ 10
+@test Compat.dot([1 2;3 4], [5 6;7 8]) == [1 2;3 4] ⋅ [5 6;7 8] ≈ 70
+
 # 0.7.0-alpha.44
 @test atan(1, 2) == atan(0.5)
 @test atan(1.0, 2.0) == atan(0.5)