Definition that contains bottoms
- comatulid free-swimming stalkless crinoid with ten feathery arms; found on muddy sea bottoms
- pond bald cypress common cypress of southeastern United States having trunk expanded at base; found in coastal swamps and flooding river bottoms
- router plane a woodworking plane with a narrow cutting head that will make grooves with smooth bottoms
- black birch birch of swamps and river bottoms throughout the eastern United States having reddish-brown bark
- swamp cypress common cypress of southeastern United States having trunk expanded at base; found in coastal swamps and flooding river bottoms
- lepas fascicularis stalked barnacle that attaches to ship bottoms or floating timbers
- jawfish small large-mouthed tropical marine fishes common along sandy bottoms; males brood egg balls in their mouths; popular aquarium fishes
- sand dollar flattened disklike sea urchins that live on sandy bottoms
- feather star free-swimming stalkless crinoid with ten feathery arms; found on muddy sea bottoms
- taxodium distichum common cypress of southeastern United States having trunk expanded at base; found in coastal swamps and flooding river bottoms