| ALKALIFY | • alkalify v. (Transitive) To make (more) alkaline (less acidic). • alkalify v. (Intransitive) To become changed into an alkali.
 • ALKALIFY v. to convert into an alkali, also ALKALISE, ALKALIZE.
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| BACKFALL | • backfall n. (Wrestling) A fall or throw on the back. • backfall n. (Music) A lever in the coupler of an organ.
 • BACKFALL n. a fall or throw on the back in wrestling.
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| BACKFATS | • BACKFAT n. the layer of fat between the skin and muscle in animals. | 
| FACEMASK | • facemask n. A covering used to protect or disguise the face. • facemask n. A facial mask (cosmetic application).
 • facemask n. (American football, Canadian football) The part of the helmet that directly covers the face, made of…
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| FALLBACK | • fallback n. An act of falling back. • fallback n. A backup plan or contingency strategy; an alternative which can be used if something goes wrong with…
 • fallback n. (Construction) A reduction in bitumen softening point, sometimes called refluxing or overheating, in…
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| FASTBACK | • fastback n. A motor car having a continuous slope from the roof to the rear. • FASTBACK n. a type of automobile roof.
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| FATBACKS | • fatbacks n. Plural of fatback. • FATBACK n. a dried strip of fat from the back of a hog.
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| FLAPJACK | • flapjack n. (US) A pancake. • flapjack n. (Britain) A bar made of (though not limited to) rolled oats, butter, golden syrup, and brown sugar, baked in a tray.
 • FLAPJACK n. a kind of biscuit, also SLAPJACK.
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| FLATBACK | • flatback n. A chelonid turtle, Natator depressus, with low-domed carapace, endemic to the continental shelf of Australia. • FLATBACK n. a pottery figure with a flat back.
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| FLATPACK | • flatpack n. (Uncountable, attributive) self-assembly furniture. • flatpack n. (Electronics) A surface-mounted circuit board with leads attached in the plane of the board.
 • flat␣pack adj. (Typically with regard to furniture) able to be constructed from flat pre-cut sections.
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| HALFBACK | • halfback n. (Field sports) Any of various positions on the field of play between the forwards and the fullbacks. • halfback n. (Field sports) A player who occupies one of these positions.
 • halfback v. To play in the position of halfback.
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| HALFBEAK | • halfbeak n. (Zoology) Any slender, marine fish of the family Hemiramphidae, having the upper jaw much shorter than… • HALFBEAK n. a fish with a spearlike underjaw.
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| KAFFIYAH | • kaffiyah n. Alternative form of keffiyeh. • KAFFIYAH n. (Arabic) an Arab headdress, also KAFFIYEH, KEFFIYAH, KEFFIYEH, KUFIYAH.
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| KALIFATE | • kalifate n. Alternative spelling of caliphate. • KALIFATE n. the domain of a Muslim leader.
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| KHALIFAH | • khalifah n. Alternative form of caliph. • KHALIFAH n. (Arabic) a caliph; a Senussi leader; the Mahdi's successor, also KHALIFA.
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| KHALIFAS | • khalifas n. Plural of khalifa. • Khalifas n. Plural of Khalifa.
 • KHALIFA n. (Arabic) a caliph; a Senussi leader; the Mahdi's successor, also KHALIFAH.
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| KHALIFAT | • khalifat n. Dated form of caliphate. • KHALIFAT n. (Arabic) the office of khalif, also CALIFATE, CALIPHATE, KALIPHATE, KHALIFATE, KHILAFAT.
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| KHILAFAT | • khilafat n. Caliphate. • KHILAFAT n. (Arabic) the office of khalif, also CALIFATE, CALIPHATE, KALIPHATE, KHALIFAT, KHALIFATE.
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| MAKEFAST | • makefast n. (Nautical) Something to which a vessel can be made fast or tied, such as a cleat, post or bollard. • make␣fast v. To tie reliably.
 • MAKEFAST n. an object to which a boat is tied.
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