abatis or abattis /abˈə-tis, ə-batˈē or -is/ (fortification)

1. A rampart of felled trees with branches outward
2. A similar arrangement of barbed wire

• teaching aids
• teaching fellow
• teaching fellows
• teaching hospital
• teaching hospitals
• teaching machine
• teaching machines
• teaching practice
• teaching practices
• teachings
• teach-ins
• teachless
• teach school
• teach your grandmother to suck eggs
• tea clipper
• tea clippers
• tea cloth
• tea cloths
• tea cosies
• tea cosy
• tea-cosy
• teacup
• teacupful
• teacupfuls
• teacups