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diff --git a/src/arrow/cpp/src/gandiva/expression.h b/src/arrow/cpp/src/gandiva/expression.h
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+++ b/src/arrow/cpp/src/gandiva/expression.h
@@ -0,0 +1,46 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+#pragma once
+
+#include <string>
+
+#include "gandiva/arrow.h"
+#include "gandiva/gandiva_aliases.h"
+#include "gandiva/visibility.h"
+
+namespace gandiva {
+
+/// \brief An expression tree with a root node, and a result field.
+class GANDIVA_EXPORT Expression {
+ public:
+  Expression(const NodePtr root, const FieldPtr result) : root_(root), result_(result) {}
+
+  virtual ~Expression() = default;
+
+  const NodePtr& root() const { return root_; }
+
+  const FieldPtr& result() const { return result_; }
+
+  std::string ToString();
+
+ private:
+  const NodePtr root_;
+  const FieldPtr result_;
+};
+
+}  // namespace gandiva