multilock

If to build a sea-level canal will but slightly increase the risk and will take but little longer than a multilock high-level canal, this, of course, is preferable.

The American Type of Isthmian Canal Speech by Hon. John Fairfield Dryden in the Senate of the United States, June 14, 1906 1875

In short, I desire your best judgment on all the various questions to be considered in choosing among the various plans for a comparatively high-level multilock canal, for a lower-level canal with fewer locks, and for a sea-level canal.

The American Type of Isthmian Canal Speech by Hon. John Fairfield Dryden in the Senate of the United States, June 14, 1906 1875

As blighted as their single-story courtyard homes may be - most lack central heat and toilets - the hutong do not cause pathologies, but instead foster the type of civic life absent in Beijing's high-rise apartments, partitioned by security guards, fences, multilock doors and a lack of public space.

TreeHugger 2009