| FATHOMETER | • fathometer n. (Nautical) A depth finder that uses sound waves to determine the depth of water. • FATHOMETER n. an instrument for measuring underwater depth using sound. |
| FETTERLOCK | • fetterlock n. (Heraldry) A shackle or lock. • FETTERLOCK n. a shackle for a horse, as a design on a shield. |
| FLOWERETTE | • flowerette n. Alternative spelling of floweret. • FLOWERETTE n. a small flower; a floret, also FLOWERET. |
| FOREBITTER | • FOREBITTER n. a nautical ballad sung at the forebitts. |
| FORETASTED | • foretasted v. Simple past tense and past participle of foretaste. • FORETASTE v. to taste in advance. |
| FORETASTES | • foretastes n. Plural of foretaste. • FORETASTE v. to taste in advance. |
| FORGETTERS | • forgetters n. Plural of forgetter. • FORGETTER n. one who forgets. |
| FORGETTERY | • forgettery n. (Humorous) A poor memory that is inclined to forget things. • FORGETTERY n. (colloquial) a capacity for forgetting. |
| FORSTERITE | • forsterite n. (Mineralogy) A white variety of olivine that is mostly magnesium silicate, Mg2SiO4. • FORSTERITE n. a white, yellow, or green mineral of the olivine group consisting of magnesium silicate. |
| FOURCHETTE | • fourchette n. (Anatomy) A fork-shaped structure, specifically the fold of skin where the labia minora meet above the… • fourchette n. A fork-shaped instrument or device, specifically the forked structure between two fingers of a glove. • fourchette n. (Surgery) An instrument used to raise and support the tongue during the cutting of the frenulum. |
| FOURTEENTH | • fourteenth adj. The ordinal form of the number fourteen. • fourteenth n. The person or thing in the fourteenth position. • fourteenth n. One of fourteen equal parts of a whole. |
| LETTERFORM | • letterform n. The shape of an individual letter. • letterform n. The design and development of such shapes. • LETTERFORM n. the shape of a letter of the alphabet from the point of view of design. |
| OFTENTIMES | • oftentimes adv. (Chiefly US) (elsewhere, archaic) Frequently; often. • often␣times adv. (Nonstandard, proscribed) Misspelling of oftentimes. • OFTENTIMES adv. often, repeatedly, also OFTTIMES. |
| OUTFEASTED | • outfeasted v. Simple past tense and past participle of outfeast. • OUTFEAST v. to surpass in feasting. |
| TENDERFOOT | • tenderfoot n. (Chiefly North America) An inexperienced person; a novice. • tenderfoot n. (Historical) A newcomer or arriviste to the region in the American frontier (Old West and Wild West). • tenderfoot n. (Dated) A Boy Scout of the lowest rank. |