Related Clues:

• Group member
• Textbook division
• A period of instruction
• Measured amount, in hospitals
• Soldier's group
• The Big ___ (Randy Johnson sobriquet)
• Part of ICU
• Type of pricing
• Fathom, for one
• Teaching session
• Gram or dram
• The ''U'' in ICU
• Ounce or pound, e.g.
• Complex part?
• The U in BTU