| ARBORISTS | • arborists n. Plural of arborist. • ARBORIST n. a tree specialist. |
| BIOTERROR | • bioterror n. Terrorism using biological techniques. • BIOTERROR n. use of biological weapons by terrorists. |
| BIRTHROOT | • birthroot n. Trillium erectum, a perennial plant of North America with deep-red flowers. • BIRTHROOT n. a herbaceous plant with an astringent rootstock, said to have medicinal properties, also BIRTHWORT. |
| BIRTHWORT | • birthwort n. Any plant species of the genus Aristolochia. • birthwort n. Birthroot, Trillium erectum. • BIRTHWORT n. a plant formerly reputed to help parturition, also BIRTHROOT. |
| BRIARROOT | • briar-root n. The root of the briar (Erica arborea). • briar-root n. The wood of this root used to make tobacco pipes. • BRIARROOT n. the root of a briar, also BRIERROOT. |
| BRIERROOT | • BRIERROOT n. the root of a briar, also BRIARROOT. |
| FIRSTBORN | • firstborn n. The first child to be born to a parent or family. • firstborn adj. Born as the first one in a family, flock or the like. • firstborn adj. Most excellent; most distinguished or exalted. |
| FRITHBORH | • frithborh n. (Obsolete) A frankpledge. • FRITHBORH n. (Old English) a surety for keeping the peace, aka frankpledge. |
| HERBORIST | • herborist n. (Dated) A herbalist. • HERBORIST n. a herbalist. |
| LIBERATOR | • liberator n. A person who frees or liberates. • Liberator prop.n. A surname. • LIBERATOR n. one who liberates. |
| LIBRATORY | • libratory adj. Balancing; tending towards an equipoise. • LIBRATORY adj. balancing; moving like a balance, as it tends to an equipoise or level. |
| RIVERBOAT | • riverboat n. A watercraft designed for operating on rivers. • RIVERBOAT n. a boat used for river transport. |
| ROBOTRIES | • ROBOTRY n. the science of robots. |
| ROBURITES | • ROBURITE n. a flameless explosive. |
| STORMBIRD | • stormbird n. Alternative form of storm-bird. • storm-bird n. The storm petrel. • storm-bird n. (Australia) The channel-billed cuckoo. |
| STROBILAR | • strobilar adj. Relating to a strobilus. • STROBILAR adj. of or like a strobila, a stack of immature larval jellyfish. |
| SUBTORRID | • subtorrid adj. Nearly torrid. • SUBTORRID adj. nearly torrid. |
| THORNBIRD | • thornbird n. A small South American bird (Anumbius annumbi) that builds a large and complex nest of twigs and thorns. • THORNBIRD n. any of several tropical birds of the genus Phacellodomus that construct large globe-shaped nests. |
| VIBRATORS | • vibrators n. Plural of vibrator. • VIBRATOR n. a type of dildo that can be made to vibrate. |
| VIBRATORY | • vibratory adj. Causing or exhibiting vibrations. • vibratory adj. (Parapsychology) Of or relating to vibrations of a spiritual, etheric, or astral nature. • VIBRATORY adj. consisting in, or causing, vibration, also VIBRATILE, VIBRATIVE. |