1. Having breathing organs that act as lungs

Encyclopedia: Pulmonate

• Ugandan shilling
• Ugaritic
• ugg boot
• ugh
• ugli
• ugli fruit
• uglify
• uglily
• ugliness
• ugly
• ugly duckling
• Ugo Buoncompagni
• Ugrian
• Ugric
• uh
• uh-huh
• uh-oh
• uh-uh
• UHF
• uhlan
• Uhland
• Uighur
• Uigur
• uintathere
• Uintatheriidae