The phrase "a funnel shape" is correct and usable in written English.
It can be used to describe an object or structure that resembles the shape of a funnel, often in contexts related to design, engineering, or visual descriptions.
Example: "The sculpture was designed in a funnel shape, allowing light to filter through its narrow opening."
Alternatives: "a conical form" or "a tapered design".
The first part is in the northeast, where the valley floor widens into a funnel shape as it approaches the Red Sea and the Gulf of Aden.
"I'm sure they'll be really fat when they get home," Schweighofer said, as she lashed railings into a funnel shape, through which to drive the sheep onto the trucks that would take them into Manhattan.
Visually, the MDS embedding of the structural connectome primarily clustered into a funnel shape (Fig. 3a).
Leaves up to 30 cm; flowers ca. 3 5 cm in diam.; perianth-lobes longer than perianth-tube, throat constricted, neck-like; orifice rim developed, usually decurved, forming a funnel shape.
Stage F. When (1) the walls of the pulp chamber form a more or less isosceles triangle, with the apex ending in a funnel shape, and (2) the root length is equal to or greater than the crown height.
6. Leaves up to 30 cm; flowers ca. 3 5 cm in diam.; perianth-lobes longer than perianth-tube, throat constricted, neck-like; orifice rim developed, usually decurved, forming a funnel shape.
The method of capture is simple: horses are located from helicopters, which have been used in roundups since the mid-1970s, and pushed toward the trap site, essentially a funnel shaped by two netted walls that lead into a temporary corral.
The nutrient foramina in the vertebrae can enlarge to 3 mm with a funnel shaped opening due to tuberculosis.
This paper shows the environmental planning and evaluation of an office with a funnel shaped void which was constructed in 2012 in Osaka, Japan.
Our micro-pore, based on a funnel shaped microchannel, was fabricated in PDMS and was bound covalently to a glass substrate patterned with a gold open circuit electrode.
The transmembrane region reveals a twisted bundle of four α helices, one from each subunit, that form a funnel shaped structure around the 4-fold symmetry axis, strikingly similar to the ion-conduction pore of K+ channels.
